CI: Revert to custom cache action

Author: rhaschke

.github/workflows/ci.yaml

@@ -30,22 +30,24 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: cache upstream_ws
-        uses: actions/cache@v4
+        uses: rhaschke/cache@main
         with:
-          save-always: true
           path: ${{ env.BASEDIR }}/upstream_ws
           key: upstream_ws-${{ env.CACHE_PREFIX }}-${{ hashFiles('upstream.rosinstall') }}-${{ github.run_id }}
           restore-keys: |
             upstream_ws-${{ env.CACHE_PREFIX }}-${{ hashFiles('upstream.rosinstall') }}
+        env:
+          GHA_CACHE_SAVE: always
       - name: cache ccache
-        uses: actions/cache@v4
+        uses: rhaschke/cache@main
         with:
-          save-always: true
           path: ${{ env.CCACHE_DIR }}
           key: ccache-${{ env.CACHE_PREFIX }}-${{ github.sha }}-${{ github.run_id }}
           restore-keys: |
             ccache-${{ env.CACHE_PREFIX }}-${{ github.sha }}
             ccache-${{ env.CACHE_PREFIX }}
+        env:
+          GHA_CACHE_SAVE: always
       - name: industrial_ci
         uses: ros-industrial/industrial_ci@master
         env: ${{ matrix.env }}