ui: migrate from @apollo to urql

[Forfold]

We are in the process of migrating from the npm package @apollo for our GraphQL queries to instead use urql. There are several files that still need to be migrated:

• web/src/app/apollo.js
• web/src/app/index.tsx
• web/src/app/alerts/AlertDetailLogs.tsx
• web/src/app/alerts/AlertsList.tsx
• web/src/app/alerts/components/AlertDetails.tsx
• web/src/app/alerts/CreateAlertDialog/useCreateAlerts.ts
• web/src/app/alerts/CreateAlertDialog/StepContent/CreateAlertServiceListItem.tsx
• web/src/app/alerts/CreateAlertDialog/StepContent/CreateAlertServiceSelect.tsx
• web/src/app/alerts/pages/AlertDetailPage.tsx
• web/src/app/escalation-policies/PolicyCreateDialog.tsx (urql: PolicyCreateDialog and UserContactMethodEditDialog #3856)
• web/src/app/escalation-policies/PolicyStepsCard.js
• web/src/app/escalation-policies/PolicyStepsQuery.tsx
• web/src/app/links/SlackChannelLink.tsx
• web/src/app/lists/QueryList.tsx
• web/src/app/rotations/RotationUserList.tsx
• web/src/app/util/errutil.ts (only used for ApolloError reference)
• web/src/app/schedules/ScheduleCreateDialog.tsx (ui/urql: update schedule queries and mutations #3625)
• web/src/app/schedules/ScheduleDeleteDialog.tsx (ui/urql: update schedule queries and mutations #3625)
• web/src/app/schedules/ScheduleOverrideCreateDialog.tsx (ui/urql: update schedule queries and mutations #3625)
• web/src/app/schedules/ScheduleOverrideDialog.js (ui/urql: update schedule queries and mutations #3625)
• web/src/app/schedules/ScheduleOverrideList.js (ui/urql: update schedule queries and mutations #3625)
• web/src/app/schedules/ScheduleRuleDeleteDialog.tsx (urql: convert remaining schedule files to urql #3822)
• web/src/app/schedules/ScheduleShiftList.tsx (urql: convert remaining schedule files to urql #3822)
• web/src/app/schedules/useOverrideNotices.ts (urql: convert remaining schedule files to urql #3822)
• web/src/app/schedules/calendar-subscribe/CalendarSubscribeCreateDialog.js (ui: convert CalendarSubscribe dialogs to ts and to use urql instead of apollo #3590)
• web/src/app/schedules/calendar-subscribe/CalendarSubscribeDeleteDialog.js (ui: convert CalendarSubscribe dialogs to ts and to use urql instead of apollo #3590)
• web/src/app/schedules/calendar-subscribe/CalendarSubscribeEditDialog.js (ui: convert CalendarSubscribe dialogs to ts and to use urql instead of apollo #3590)
• web/src/app/admin/AdminConfig.tsx (ui/urql: update admin queries and mutations #3431)
• web/src/app/admin/AdminLimits.tsx (ui/urql: update admin queries and mutations #3431)
• web/src/app/admin/AdminNumberLookup.tsx (ui/urql: update admin queries and mutations #3431)
• web/src/app/admin/AdminSMSSend.tsx (ui/urql: update admin queries and mutations #3431)
• web/src/app/admin/SlackActions.tsx (ui/urql: update admin queries and mutations #3431)
• web/src/app/rotations/RotationAddUserDialog.tsx (ui/urql: rotations #3489)
• web/src/app/rotations/RotationCreateDialog.tsx (ui/urql: rotations #3489)
• web/src/app/rotations/RotationForm.tsx (ui/urql: rotations #3489)
• web/src/app/schedules/ScheduleDetails.tsx (ui: Suspenseful loading #3440)
• web/src/app/schedules/ScheduleRuleCreateDialog.js (ui/schedules: convert ScheduleRuleList, ScheduleRuleCreateDialog, ScheduleRuleEditDialog to typescript #3525)
• web/src/app/schedules/on-call-notifications/hooks.ts (ui: update schedule oncall hooks and util to use urql #3589)
• web/src/app/schedules/on-call-notifications/util.ts (ui: update schedule oncall hooks and util to use urql #3589) (ApolloError reference)
• web/src/app/schedules/temp-sched/TempSchedDeleteConfirmation.tsx (ui: update temp sched dialogs to use urql, add additionalTypenames #3587)
• web/src/app/schedules/temp-sched/TempSchedDialog.tsx (ui: update temp sched dialogs to use urql, add additionalTypenames #3587)
• web/src/app/schedules/ScheduleRuleList.js (ui/schedules: convert ScheduleRuleList, ScheduleRuleCreateDialog, ScheduleRuleEditDialog to typescript #3525)
• web/src/app/schedules/useScheduleTZ.ts (ui: Suspenseful loading #3440)
• web/src/app/selection/EscalationPolicySelect.js (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/IntegrationKeySelect.tsx (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/LabelKeySelect.tsx (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/LabelValueSelect.tsx (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/RotationSelect.js (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/ScheduleSelect.js (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/ServiceSelect.js (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/SlackChannelSelect.js (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/TimeZoneSelect.js (ui: update Select gql imports to use urql #3582)
• web/src/app/selection/UserSelect.js (ui: update Select gql imports to use urql #3582)
• web/src/app/services/ServiceCreateDialog.tsx (ui: update ServiceCreateDialog and ServiceLabelCreateDialog to use urql #3583)
• web/src/app/services/ServiceLabelCreateDialog.tsx (ui: update ServiceCreateDialog and ServiceLabelCreateDialog to use urql #3583)
• web/src/app/services/ServiceOnCallList.js (ui/service: convert ServiceOnCallList to typescript #3512)
• web/src/app/users/UserCalendarSubscriptionList.tsx (ui/urql: convert user lists to urql #3495)
• web/src/app/users/UserContactMethodCreateDialog.tsx (ui/profile: convert UserContactMethodCreateDialog to urql #3488)
• web/src/app/users/UserContactMethodEditDialog.js (ui: convert UserContactMethodEditDialog to typescript #3472)
• web/src/app/users/UserContactMethodList.tsx (ui/urql: transition to urql and use suspense to load user details #3430)
• web/src/app/users/UserContactMethodSelect.js (ui: convert UserContactMethodSelect to typescript #3438)
• web/src/app/users/UserContactMethodVerificationDialog.js (ui/profile: convert UserContactMethodVerificationDialog to ts #3490)
• web/src/app/users/UserContactMethodVerificationForm.js (ui/profile: convert UserContactMethodVerificationForm to typescript #3494)
• web/src/app/users/UserCreateDialog.tsx (ui/urql: convert user dialogs to urql #3493)
• web/src/app/users/UserDeleteDialog.tsx (ui/urql: convert user dialogs to urql #3493)
• web/src/app/users/UserEditDialog.tsx (ui/urql: convert user dialogs to urql #3493)
• web/src/app/users/UserList.tsx (ui/urql: convert user lists to urql #3495)
• web/src/app/users/UserNotificationRuleCreateDialog.tsx (ui/urql: convert user dialogs to urql #3493)
• web/src/app/users/UserNotificationRuleDeleteDialog.tsx (ui/urql: convert user dialogs to urql #3493)
• web/src/app/users/UserNotificationRuleList.tsx (ui/urql: transition to urql and use suspense to load user details #3430)
• web/src/app/users/UserOnCallAssignmentList.tsx (ui/urql: convert user lists to urql #3495)
• web/src/app/users/UserSessionList.tsx (ui/urql: convert user lists to urql #3495)
• web/src/app/util/graphql.test.js (ui: update SetFavoriteButton and graphql.test.js to urql #3584)
• web/src/app/util/QuerySetFavoriteButton.tsx (ui: update SetFavoriteButton and graphql.test.js to urql #3584)
• web/src/app/util/RequireConfig.tsx (ui: Suspenseful loading #3440)
• web/src/app/wizard/WizardRouter.js (ui: update WizardRouter to use urql #3585)