chore(deps): bump actions/cache from 4 to 5

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>

Author: dependabot[bot]

.github/workflows/playwright.yml

@@ -154,7 +154,7 @@ jobs:
 
       - name: Cache Playwright browsers
         id: playwright-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/ms-playwright
           key: ${{ runner.os }}-playwright-${{ hashFiles(format('apps/{0}/package-lock.json', env.APP_NAME)) }}
@@ -163,7 +163,7 @@ jobs:
 
       - name: Cache LibreSign binary payloads
         id: libresign-binaries-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .cache/libresign-binaries
           key: ${{ runner.os }}-libresign-binaries-${{ hashFiles(format('apps/{0}/appinfo/install-*.json', env.APP_NAME), format('apps/{0}/lib/Service/Install/InstallService.php', env.APP_NAME)) }}