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] <[email protected]>

.github/workflows/docs.yml

@@ -5,7 +5,7 @@ jobs:
     name: Build documentation & check links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           python-version: "3.8"

.github/workflows/labeler.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run Labeler
         uses: crazy-max/[email protected]

.github/workflows/pre-commit.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     name: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/[email protected]
         with:
           python-version: "3.9"

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     name: Python ${{ matrix.python-version }} (${{ matrix.os }})
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: cookiecutter-hypermodern-python
       - uses: actions/[email protected]

.github/workflows/update-instance.yml

@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out ${{ env.TEMPLATE }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: ${{ env.TEMPLATE }}
       - name: Check out ${{ env.PROJECT }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: "cjolowicz/${{ env.PROJECT }}"
           path: ${{ env.PROJECT }}