CI: Return to custom cache action

Author: rhaschke

.github/workflows/build_and_test.yaml

@@ -36,22 +36,24 @@ jobs:
       # that comes from the checkout.  See "prepare target_ws for cache" task below
       - name: cache target_ws
         if: ${{ ! matrix.env.CCOV }}
-        uses: actions/cache@v4
+        uses: rhaschke/cache@main
         with:
-          save-always: true
           path: ${{ env.BASEDIR }}/target_ws
           key: target_ws-${{ env.CACHE_PREFIX }}-${{ hashFiles('**/CMakeLists.txt', '**/package.xml') }}-${{ github.run_id }}
           restore-keys: |
             target_ws-${{ env.CACHE_PREFIX }}-${{ hashFiles('**/CMakeLists.txt', '**/package.xml') }}
+        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 }}