🐛(CI) fix npm fallback on bundle-size-check

Adding install-script to ensure Yarn is used explicitly
during compressed-size-action to prevent npm peer conflict.

Author: AntoLC

.github/workflows/impress-frontend.yml

@@ -177,12 +177,13 @@ jobs:
         uses: preactjs/compressed-size-action@v2
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
-          build-script: "build"
-          pattern: "./out/**/*.{css,js,html}"
+          build-script: "app:build"
+          pattern: "./apps/impress/out/**/*.{css,js,html}"
           exclude: "{**/*.map,**/node_modules/**}"
           minimum-change-threshold: 500
           compression: "gzip"
-          cwd: "./src/frontend/apps/impress"
+          cwd: "./src/frontend"
           show-total: true
           strip-hash: "\\b\\w+\\."
           omit-unchanged: true
+          install-script: "yarn install --frozen-lockfile"