Bump actions/checkout from 6.0.2 to 6.0.3 (#4229)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@de0fac2...df4cb1c)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.3
  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/ci-workflow.yml

@@ -13,7 +13,7 @@ jobs:
   housekeeping:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
     - name: Set up Python
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405
@@ -54,7 +54,7 @@ jobs:
       matrix:
         python-version: [3.10.6, 3.11.2, 3.12, 3.13.5]
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
     - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405
       with:

.github/workflows/issue-commenter.yml

@@ -9,7 +9,7 @@ jobs:
     name: Comments for every NEW issue.
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
       - name: Read issue-comment.md
         id: issue-comment

.github/workflows/test-runner.yml

@@ -10,6 +10,6 @@ jobs:
   test-runner:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
       - name: Run test-runner
         run: docker compose run test-runner