Bump actions/checkout from 4 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [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/v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/onpr_check-pr.yaml

@@ -15,7 +15,7 @@ jobs:
       changedChangelogFiles: ${{ steps.changed-files.outputs.changelogs_files }}
     steps:
       - name: ↩️ Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: 📂 Detect changed addons
         uses: dorny/paths-filter@v3
@@ -61,7 +61,7 @@ jobs:
         addon: ${{ fromJSON(needs.check-addon-changes.outputs.changedAddons) }}
     steps:
       - name: ↩️ Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: 🔎 Check if a label for the addon exists
         shell: bash
@@ -82,7 +82,7 @@ jobs:
         addon: ${{ fromJSON(needs.check-addon-changes.outputs.changedAddons) }}
     steps:
       - name: ↩️ Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: 🔎 Run Home Assistant Add-on Lint
         uses: frenck/action-addon-linter@v2
@@ -100,7 +100,7 @@ jobs:
         addon: ${{ fromJSON(needs.check-addon-changes.outputs.changedAddons) }}
     steps:
       - name: ↩️ Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: ℹ️ Gather addon info
         id: information