fix staging frontend docker build context

.gitea/workflows/build_RC.yml

@@ -89,7 +89,7 @@ jobs:
       - name: Build and push adminfront RC image
         uses: docker/build-push-action@v5
         with:
-          context: ./adminfront
+          context: .
           file: ./adminfront/Dockerfile
           push: true
           tags: ${{ vars.HARBOR_HOSTNAME }}/baron_sso/adminfront:${{ steps.rc_calculator.outputs.new_rc_tag }}
@@ -99,7 +99,7 @@ jobs:
       - name: Build and push devfront RC image
         uses: docker/build-push-action@v5
         with:
-          context: ./devfront
+          context: .
           file: ./devfront/Dockerfile
           push: true
           tags: ${{ vars.HARBOR_HOSTNAME }}/baron_sso/devfront:${{ steps.rc_calculator.outputs.new_rc_tag }}
@@ -109,7 +109,7 @@ jobs:
       - name: Build and push orgfront RC image
         uses: docker/build-push-action@v5
         with:
-          context: ./orgfront
+          context: .
           file: ./orgfront/Dockerfile
           push: true
           tags: ${{ vars.HARBOR_HOSTNAME }}/baron_sso/orgfront:${{ steps.rc_calculator.outputs.new_rc_tag }}