Bump actions/checkout from 6.0.0 to 6.0.1 (#1002)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.0 to 6.0.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6.0.0...v6.0.1)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.1
  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/build-release.yml

@@ -22,7 +22,7 @@ jobs:
           - { name: "lowest", python: "3.10", tox: py310-lowest }
           - { name: "3.14-madev", python: "3.14", tox: py314-marshmallowdev }
     steps:
-      - uses: actions/checkout@v6.0.0
+      - uses: actions/checkout@v6.0.1
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python }}
@@ -32,7 +32,7 @@ jobs:
     name: Build package
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.0
+      - uses: actions/checkout@v6.0.1
       - uses: actions/setup-python@v6
         with:
           python-version: "3.14"
@@ -55,7 +55,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.0
+      - uses: actions/checkout@v6.0.1
       - uses: actions/setup-python@v6
         with:
           python-version: "3.14"