⬆️ Bump actions/checkout from 4.1.7 to 4.2.0 (#155)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.7 to 4.2.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.7...v4.2.0)

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

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

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.0
       - name: Set up Python
         uses: actions/setup-python@v5.2.0
         with:
@@ -66,7 +66,7 @@ jobs:
           - 5672:5672
 
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.0
 
       - name: Setup conda
         uses: s-weigand/setup-conda@v1.2.2
@@ -124,7 +124,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.0
       - name: Set up Python 3.8
         uses: actions/setup-python@v5.2.0
         with: