Bump actions/checkout from 4.1.7 to 4.2.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.7 to 4.2.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@692973e...eef6144)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/lint_and_test.yml

@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 3
 
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
@@ -65,7 +65,7 @@ jobs:
         os: ['ubuntu-latest']
 
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
       - name: Set up Python 3.11
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3
@@ -115,7 +115,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
 
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
       - uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16
         id: download

.github/workflows/test_all_oses.yml

@@ -33,7 +33,7 @@ jobs:
         os: ['ubuntu-latest', 'windows-latest', 'macos-latest']
 
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
       - name: Set up Python 3.11
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3