CI: Use preactjs/compressed-size-action instead

Author: Turbo87

.github/workflows/asset-size.yml

@@ -0,0 +1,14 @@
+name: Asset Size
+
+on: [pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: preactjs/compressed-size-action@v1
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          pattern: "**/dist/**/*.(js|css)"

.github/workflows/ember-assets.yml

@@ -17,7 +17,7 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "ember build",
+    "build": "ember build --environment=production",
     "lint:deps": "ember dependency-lint",
     "lint:hbs": "ember-template-lint app/templates",
     "lint:js": "eslint . --cache",