ci: don't touch the lockfile

Should fix the problem with the git state getting dirty

Author: TheTipo01

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
           cache: 'pnpm'
           cache-dependency-path: web/pnpm-lock.yaml
       - name: Install dependencies
-        run: pnpm install
+        run: pnpm install --frozen-lockfile
         working-directory: web
       - name: Build the website
         run: pnpm run build