Bump actions/checkout from 2 to 3 (#162)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/deploy.yaml

@@ -6,7 +6,7 @@ jobs:
   main:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Configure AWS credentials

.github/workflows/pr.yaml

@@ -23,7 +23,7 @@ jobs:
         uses: xt0rted/pull-request-comment-branch@v2
         if: steps.trigger-deployment.outputs.triggered == 'true'
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: ${{ steps.comment-branch.outputs.head_ref }}
         if: steps.trigger-deployment.outputs.triggered == 'true'