Bump actions/checkout from 3.6.0 to 4.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.6.0 to 4.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.6.0...v4.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ jobs:
     if: "github.event.release.prerelease"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3.6.0
+    - uses: actions/checkout@v4.0.0
     - name: Set up Python
       uses: actions/setup-python@v4.7.0
       with:
@@ -28,7 +28,7 @@ jobs:
     if: "!github.event.release.prerelease"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3.6.0
+    - uses: actions/checkout@v4.0.0
     - name: Set up Python
       uses: actions/setup-python@v4.7.0
       with:

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
         python-version: [3.7, 3.8, 3.9, '3.10']
 
     steps:
-    - uses: actions/checkout@v3.6.0
+    - uses: actions/checkout@v4.0.0
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4.7.0
       with: