ci: Fix pnpm package name in pnpm filter

Author: exaby73

.github/workflows/integration-tests.yml

@@ -58,4 +58,4 @@ jobs:
         run: |
           firebase emulators:start &
           sleep 10
-          pnpm -F @firebase-ui/core test:integration
+          pnpm --filter @firebase-ui/core test:integration

.github/workflows/unit-tests.yml

@@ -31,4 +31,4 @@ jobs:
         run: pnpm install
 
       - name: Run unit tests
-        run: pnpm -F @firebase-ui/core test:unit
+        run: pnpm --filter @firebase-ui/core test