add force option

Signed-off-by: Yutaka Kondo <[email protected]>

.github/actions/docker-build/action.yaml

@@ -38,7 +38,7 @@ runs:
     - name: Import additional repositories
       if: ${{ inputs.additional-repos != '' }}
       run: |
-        vcs import src < ${{ inputs.additional-repos }}
+        vcs import --force src < ${{ inputs.additional-repos }}
       shell: bash
 
     - name: Cache ccache