ci(deps): bump actions/cache from 4 to 5 (#632)

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/e2e-tests.yml

@@ -51,7 +51,7 @@ jobs:
 
     - name: Cache HA Docker image
       id: cache-ha-image
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: /tmp/ha-image.tar
         key: ha-image-${{ env.HA_IMAGE_GHCR }}-${{ runner.arch }}

.github/workflows/pr.yml

@@ -85,7 +85,7 @@ jobs:
 
     - name: Cache HA Docker image
       id: cache-ha-image
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: /tmp/ha-image.tar
         key: ha-image-${{ env.HA_IMAGE_GHCR }}-${{ runner.arch }}