Bump actions/cache in /.github/actions/install-meltingpot

Bumps [actions/cache](https://github.com/actions/cache) from 4.0.0 to 4.0.1.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@13aacd8...ab5e6d0)

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

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

.github/actions/install-meltingpot/action.yml

@@ -32,7 +32,7 @@ runs:
 
     - name: Restore Melting Pot installation
       id: restore
-      uses: actions/cache/restore@13aacd865c20de90d75de3b17ebe84f7a17d57d2
+      uses: actions/cache/restore@ab5e6d0c87105b4c9c2047343972218f562e4319
       with:
         path: |
           meltingpot/assets
@@ -51,7 +51,7 @@ runs:
 
     - name: Save Melting Pot installation
       if: steps.restore.outputs.cache-hit != 'true'
-      uses: actions/cache/save@13aacd865c20de90d75de3b17ebe84f7a17d57d2
+      uses: actions/cache/save@ab5e6d0c87105b4c9c2047343972218f562e4319
       with:
         path:  |
           meltingpot/assets