fix: ensure dependencies are installed without frozen lockfile in E2E tests

.github/workflows/e2e-tests.yaml

@@ -34,7 +34,7 @@ jobs:
             cache: 'pnpm'
 
       - name: Install Dependencies
-        run: pnpm install  
+        run: pnpm install --no-frozen-lockfile
 
       - name: Build Backend
         run: npx nx build electron-backend