add ccache workflow

.github/workflows/test-build.yaml

@@ -0,0 +1,31 @@
+---
+name: build dnf5 with ccache to check for quick build errors
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build-with-ccache:
+    runs-on: ubuntu-latest
+    container:
+      image: fedora:rawhide
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Prepare ccache timestamp
+        id: ccache_cache_timestamp
+        shell: cmake -P {0}
+        run: |
+          string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
+          message("::set-output name=timestamp::${current_date}")
+
+      - name: ccache cache files
+        uses: actions/[email protected]
+        with:
+          path: .ccache
+          key: ${ { matrix.config.name } }-ccache-${ { steps.ccache_cache_timestamp.outputs.timestamp } }
+          restore-keys: |
+            ${ { matrix.config.name } }-ccache-