fix: flag only usernames through the moderation rule (#1188)

.github/workflows/graphql.yml

@@ -0,0 +1,25 @@
+name: GraphQL Schema
+
+on: push
+
+jobs:
+  graphql:
+
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.5'
+          tools: dom, curl, libxml, mbstring, zip, pcntl, pdo
+      - uses: actions/checkout@v3
+      - name: Copy .env
+        run: php -r "file_exists('.env') || copy('.env.example', '.env');"
+      - name: Install Dependencies
+        run: |
+          composer install -q --no-ansi --no-interaction --no-scripts --no-progress --prefer-dist
+      - name: Directory Permissions
+        run: chmod -R 777 storage bootstrap/cache
+      - name: Validate GraphQL Schema via Lighthouse
+        run: |
+          php artisan lighthouse:validate-schema