Bump actions/checkout from 3.5.3 to 4.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.5.3 to 4.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.5.3...v4.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/hacs_validate.yaml

@@ -15,7 +15,7 @@ jobs:
     name: HACS Action
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v3.5.3"
+      - uses: "actions/checkout@v4.0.0"
       - name: HACS Action
         uses: "hacs/action@main"
         with:

.github/workflows/hassfest.yaml

@@ -10,5 +10,5 @@ jobs:
   validate:
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v3.5.3"
+      - uses: "actions/checkout@v4.0.0"
       - uses: "home-assistant/actions/hassfest@master"