fix: backend CI flow

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
       # this install the dependencies specified in your package.json file into the current workflow
       - name: Run lint, test and build in backend
         # navigates to your functions folder and install the dependencies
-        run: yarn --cwd backend && yarn --cwd backend lint && yarn --cwd backend test && yarn --cwd frontend build
+        run: yarn --cwd backend && yarn --cwd backend lint && yarn --cwd backend test && yarn --cwd backend build
         # If your firebase cloud functions project uses firebase-admin 
         # you need to create a config file used to initialize your project
         # the below task creates a config.json file in your functions directory