Fix cache

Change-Id: I53c32a5f4950c98b2be38fa2be8391e9870f1d6f

Author: ABBAPOH

Diff for: .github/workflows/main.yml

@@ -34,11 +34,16 @@ jobs:
     - uses: actions/checkout@v1
     - name: Create .ccache dir
       run: mkdir -p ~/.ccache
+    - name: prepare timestamp
+      id: get-timestamp
+      run: echo "timestamp=$(date -u +"%Y-%m-%dT%H:%M:%SZ")" >> $GITHUB_OUTPUT
+      shell: bash
     - name: ccache cache files
       uses: actions/cache@v4
       with:
         path: ~/.ccache
-        key: ${{ runner.os }}-${{ matrix.config.cacheid }}-ccache
+        key: ${{ runner.os }}-${{ matrix.config.cacheid }}-ccache-${{ steps.get-timestamp.outputs.timestamp }}
+        restore-keys: ${{ runner.os }}-${{ matrix.config.cacheid }}-ccache
     - name: Pull the Docker Image
       run: docker-compose pull ${{ matrix.config.image }}
     - name: Print ccache stats