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](https://github.com/actions/checkout/compare/v3...v4)

---
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/onpush_builder.yaml

@@ -21,7 +21,7 @@ jobs:
       changedAddons: ${{ steps.filter.outputs.changes }}
     steps:
       - name: ↩️ Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: 📂 Detect changed files
         uses: dorny/paths-filter@v2
@@ -39,7 +39,7 @@ jobs:
         addon: ${{ fromJSON(needs.check-addon-changes.outputs.changedAddons) }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Make scripts executable
         run: |
           echo "Starting"
@@ -66,7 +66,7 @@ jobs:
         addon: ${{ fromJSON(needs.check-addon-changes.outputs.changedAddons) }}
     steps:
       - name: ↩️ Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: 🔎 Run Home Assistant Add-on Lint
         uses: frenck/action-addon-linter@v2
         with:
@@ -85,7 +85,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Get information
         id: info
@@ -144,7 +144,7 @@ jobs:
         addon: ${{ fromJSON(needs.check-addon-changes.outputs.changedAddons) }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Update changelog for minor versions
         run: |
           echo "Starting"