Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
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/integration.yml

@@ -20,7 +20,7 @@ jobs:
           - "[lxml]"
     name: End-to-end tests
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-python@v4
         with:

.github/workflows/pre-commit.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Run all pre-commit checks
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-python@v4
         with:

.github/workflows/publish.yml

@@ -16,7 +16,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # setuptools_scm needs the git history
           fetch-depth: 0

.github/workflows/run-tests.yml

@@ -18,7 +18,7 @@ jobs:
           - "3.11"
     name: Python ${{ matrix.python-version }} pytest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-python@v4
         with: