fix(ci): use npm install instead of npm ci for release workflow

npm ci in npm 10 has stricter validation that conflicts with our monorepo
workspace setup. npm install respects the lockfile and is more resilient.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: faical-yannick-congo

.github/workflows/release.yml

@@ -23,9 +23,7 @@ jobs:
           cache: 'npm'
 
       - name: Install dependencies
-        run: npm ci
-        env:
-          npm_config_engine_strict: 'false'
+        run: npm install --prefer-offline
 
       - name: Build all packages
         run: npm run build