Bump actions/checkout from 4.1.3 to 4.1.4

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.3 to 4.1.4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.3...v4.1.4)

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

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

.github/workflows/django.yml

@@ -36,7 +36,7 @@ jobs:
           --health-retries=3
 
     steps:
-      - uses: actions/[email protected].3
+      - uses: actions/[email protected].4
       - uses: actions/[email protected]
         with:
           python-version: ${{ matrix.python-version }}

.github/workflows/docker.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/[email protected].3
+        uses: actions/[email protected].4
 
       - name: Docker meta
         id: meta

.github/workflows/sphinx.yml

@@ -21,7 +21,7 @@ jobs:
         python-version: ["3.9"]
 
     steps:
-      - uses: actions/[email protected].3
+      - uses: actions/[email protected].4
       - uses: actions/[email protected]
         with:
           python-version: ${{ matrix.python-version }}