chore: adds cypress component tests to build

Author: anthonydmays

.github/workflows/check_fullstack_demo_ts_pr.yaml

@@ -28,4 +28,10 @@ jobs:
         NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY: ${{ secrets.NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY }}
       run: |
         npm ci
-        npm run test
+        npm run test
+    
+    - name: Run Cypress component tests
+      uses: cypress-io/github-action@v6
+      with:
+        working-directory: ./lib/javascript/fullstack_demo
+        component: true