Bump actions/cache from 4.3.0 to 5.0.1 (#115)

Bumps [actions/cache](https://github.com/actions/cache) from 4.3.0 to 5.0.1.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@0057852...9255dc7)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: 5.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/publish-docs.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Install Python dependencies
         run: pip install -r requirements-docs.txt
       - name: Set up build cache
-        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
         with:
           key: mkdocs-material-${{ hashfiles('.cache/**') }}
           path: .cache
@@ -45,7 +45,7 @@ jobs:
       - name: Deploy GitHub Pages
         run: mkdocs gh-deploy --force
       - name: Save build cache
-        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
         with:
           key: mkdocs-material-${{ hashfiles('.cache/**') }}
           path: .cache