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](actions/checkout@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] <[email protected]>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
     environment: release  # grants access to the REGISTRY_TOKEN
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Probe runner package cache
         uses: awalsh128/cache-apt-pkgs-action@v1
@@ -52,7 +52,7 @@ jobs:
           just install out
 
       - name: Checkout package registry
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: ${{ env.REGISTRY_REPO }}
           token: ${{ secrets.REGISTRY_TOKEN }}

.github/workflows/tests.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Probe runner package cache
         uses: awalsh128/cache-apt-pkgs-action@v1