Backport of Fix syntax error in ECS policy doc into release/0.11.x

[hc-github-team-waypoint]

Backport

This PR is auto-generated from #4873 to be assessed for backporting due to the inclusion of the label backport/0.11.x.

The below text is copied from the body of the original PR.

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Closes #4872

Fixes a json syntax error in the ecs inline policy introduced in #4840 by adding a close quote

How can I verify this fix?

Run a waypoint install against an AWS account without a role named waypoint-runner, and verify success:

$ ./waypoint runner install   -platform=ecs   -server-addr=api.hashicorp.cloud:443   -ecs-runner-image=hashicorp/waypoint -ecs-region=us-east-1 -ecs-cluster=waypoint
✓ Finished connecting to: api.hashicorp.cloud:443
✓ Runner "01H7BA4XNXE0Y4CEMEHKFQAK3R" installed successfully to ecs
✓ Runner profile "ecs-01H7BA4XNXE0Y4CEMEHKFQAK3R" created successfully.
✓ Networking setup
✓ EFS ready
✓ Found existing IAM role to use: waypoint-runner-execution-role
✓ Created IAM task role: waypoint-runner
✓ Using existing log group
✓ Runner service created
✓ Runner "01H7BA4XNXE0Y4CEMEHKFQAK3R" adopted successfully.

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Overview of commits

• 10d4536