Bump actions/checkout from 4.1.7 to 4.2.0 (#772)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.7 to 4.2.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@692973e...d632683)

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

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

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       RUNALL: "true"
     steps:
       - name: Checkout code
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
 
       - name: Run tests
         run: swift test
@@ -24,15 +24,15 @@ jobs:
       RUNALL: "true"
     steps:
       - name: Checkout code
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
 
       - name: Run tests
         run: swift test --package-path ./generator
   generator-template-tests:
     runs-on: macos-13
     steps:
       - name: Checkout code
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
 
       - name: Run tests
         run: ./bin/test_generator.sh