Bump actions/checkout from 3 to 4 (#144)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
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/ci.yml

@@ -21,7 +21,7 @@ jobs:
       version: ${{ steps.version.outputs.version }}
     steps:
       - name: Checkout commit
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
@@ -66,7 +66,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout commit
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
@@ -113,7 +113,7 @@ jobs:
     if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
     steps:
       - name: Checkout commit
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Sanity check for tag and version
         run: |