[chore](ci) Set build type for gh-pages CI

Author: Konyaco

.github/workflows/deploy-gh-pages.yml

@@ -34,6 +34,8 @@ jobs:
         with:
           cache-disabled: true
       - name: Build wasm target
+        env:
+          PROJECT_BUILD_TYPE: release
         run: ./gradlew :gallery:wasmJsBrowserDistribution
       - name: Setup Pages
         uses: actions/configure-pages@v5