Bump actions/cache from 4.0.1 to 4.0.2

Bumps [actions/cache](https://github.com/actions/cache) from 4.0.1 to 4.0.2.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@ab5e6d0...0c45773)

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

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

Author: dependabot[bot]

.github/workflows/workflow-generate-website.yml

@@ -95,7 +95,7 @@ jobs:
         # Dart-Sass
         sudo snap install dart-sass
     # cache hugo modules
-    - uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319
+    - uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
       with:
         path: /tmp/hugo_cache
         key: ${{ runner.os }}-hugomod-${{ hashFiles('**/go.sum') }}