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/labeler.yml

@@ -12,7 +12,7 @@ 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/tests.yaml

@@ -19,7 +19,7 @@ jobs:
     name: Pre-commit
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
         uses: actions/[email protected]
@@ -44,7 +44,7 @@ jobs:
     name: HACS
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: HACS validation
         uses: hacs/action@main
@@ -57,7 +57,7 @@ jobs:
     name: Hassfest
     steps:
       - name: Check out the repository
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
 
       - name: Hassfest validation
         uses: "home-assistant/actions/hassfest@master"