ci: fix caching on workflow_dispatch

Signed-off-by: Shengqi Chen <[email protected]>

Author: Harry-Chen

.github/workflows/docker-images.yml

@@ -54,7 +54,7 @@ jobs:
       -
         name: Cache Docker layers
         uses: actions/cache@v4
-        if: github.event_name == 'push'
+        if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
         with:
           path: /tmp/.buildx-cache
           key: ${{ matrix.os }}-buildx-${{ matrix.image }}-${{ github.sha }}
@@ -74,7 +74,7 @@ jobs:
             ${{ matrix.os }}-buildx-${{ matrix.image }}-
       -
         name: Cache Docker layers
-        if: github.event_name != 'push' && github.event_name != 'pull_request'
+        if: github.event_name != 'push' && github.event_name != 'pull_request' && github.event_name != 'workflow_dispatch'
         run: |
           echo "I do not know how to setup cache"
           exit -1