build(deps): bump actions/cache from 4.2.0 to 5.0.4

Bumps [actions/cache](https://github.com/actions/cache) from 4.2.0 to 5.0.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](1bd1e32a3b...668228422a)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: 5.0.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/nightly-docs-scan.yml

@@ -36,7 +36,7 @@ jobs:
         run: mkdir -p "${{ github.workspace }}/.cache"
 
       - name: Restore scanner state
-        uses: actions/cache/restore@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
+        uses: actions/cache/restore@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
         with:
           path: |
             ${{ github.workspace }}/.cache/scanner-memory.db
@@ -66,7 +66,7 @@ jobs:
           timeout: 1200
 
       - name: Save scanner state
-        uses: actions/cache/save@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
+        uses: actions/cache/save@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
         if: always()
         with:
           path: |