ci(deps): update actions/checkout action to v2.4.1 (#52)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://github.com/actions/checkout) | action |
minor | `v4.1.7` -> `v2.4.1` |

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.github/workflows/default_linter_callable.yml

@@ -105,7 +105,7 @@ jobs:
  needs: find-changes-for-shell-output
  if: needs.find-changes-for-shell-output.outputs.yaml == 'true'
  steps:
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@f25a3a9f25bd5f4c5d77189cab02ff357b5aedeb # v2.4.1
 
  - name: yaml-lint
  uses: ibiqlik/action-yamllint@2576378a8e339169678f9939646ee3ee325e845c # v3.1.1