Bump actions/checkout from 3 to 4 (#5204)

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](https://github.com/actions/checkout/compare/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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/check-news-item.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
 
       # note: the checkout will pull code from the base branch. This step should not pull code from the merge commit
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4

.github/workflows/docs.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Xonsh docs to gh-pages
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v4
         with:

.github/workflows/publish.yml

@@ -22,7 +22,7 @@ jobs:
           - "3.11"
           - "3.12-dev"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: setup-python
         uses: actions/setup-python@v4
         with:

.github/workflows/test.yml

@@ -38,7 +38,7 @@ jobs:
           - "3.12-dev"
     name: Test Python ${{ matrix.python-version }} ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with: