Add branch name in ccache key to keep default branch a cache

See: https://github.com/actions/cache/blob/main/tips-and-workarounds.md#use-cache-across-feature-branches

Author: auxten

.github/workflows/build_wheels.yml

@@ -70,7 +70,7 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/[email protected]
         with:
-          key: ${{ matrix.os }}
+          key: ${{ matrix.os }}-${{ github.ref_name }}
           max-size: 5G
           append-timestamp: false
       - name: remove old clang and link clang-15 to clang
@@ -195,7 +195,7 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/[email protected]
         with:
-          key: ${{ matrix.os }}
+          key: ${{ matrix.os }}-${{ github.ref_name }}
           max-size: 5G
           append-timestamp: false
       - name: Run chdb/build.sh
@@ -310,7 +310,7 @@ jobs:
       - name: ccache
         uses: hendrikmuhs/[email protected]
         with:
-          key: ${{ matrix.os }}
+          key: ${{ matrix.os }}-${{ github.ref_name }}
           max-size: 5G
           append-timestamp: false
       - name: Prepare chdb/build.sh