feat: Update GitHub workflow configuration

Author: lazhenyi

.github/workflows/flow.yml

@@ -10,11 +10,9 @@ on:
 
 jobs:
     backend:
-        if: ${{ steps.filter.outputs.matched }}
         uses: ./.github/workflows/backend.yml
         secrets: inherit
     frontend:
-        if: ${{ steps.filter-frontend.outputs.matched }}
         uses: ./.github/workflows/frontend.yml
         secrets: inherit
     deployment: