Bump actions/checkout from 4.2.0 to 4.2.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.0 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@d632683...eef6144)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci_cron_weekly.yml

@@ -13,7 +13,7 @@ jobs:
   doc_test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
     - name: Set up Python to build docs with sphinx
       uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
       with:

.github/workflows/ci_tests.yml

@@ -69,7 +69,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
+      uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
       with:
         fetch-depth: 0
     - name: Set up Python ${{ matrix.python }} on ${{ matrix.os }}