Bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build_docs.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup just
         uses: extractions/setup-just@v3

.github/workflows/publish.yml

@@ -19,7 +19,7 @@ jobs:
       contents: read
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Log in to GitHub Docker Registry
         uses: docker/login-action@v3
         with:

.github/workflows/pull_request.yml

@@ -7,7 +7,7 @@ jobs:
   static-checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: extractions/setup-just@v3
       - uses: actions/setup-python@v5
         with:
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: static-checks
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: extractions/setup-just@v3
       - name: Run tests
         run: |