Bump actions/checkout from 6 to 6.0.2 (#2413)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 6.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v6.0.2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -23,7 +23,7 @@ jobs:
         python-version: ['3.11', '3.12', '3.13', '3.14']
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v6.0.2
       with:
         persist-credentials: false
 
@@ -80,7 +80,7 @@ jobs:
         shard: [0, 1, 2, 3]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v6.0.2
       with:
         persist-credentials: false