Bump actions/checkout from 4.2.0 to 4.2.1 in the github-actions group

Bumps the github-actions group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `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
  dependency-group: github-actions
...

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

.github/workflows/deploy-docs.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4
+      uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
       with:
         fetch-depth: 0
 

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
 
     steps:
-    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
 
     - name: Setup Micromamba Python ${{ matrix.python-version }}
       uses: mamba-org/setup-micromamba@617811f69075e3fd3ae68ca64220ad065877f246 #v1