build(deps): bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci_cd.yml

@@ -89,7 +89,7 @@ jobs:
 
     steps:
       - name: Restore images cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tests/graphics/image_cache
           key: pyvista-image-cache-${{ runner.os }}-v-${{ env.RESET_IMAGE_CACHE }}-${{ hashFiles('pyproject.toml') }}