Pre-compile icon assets for CI compatibility

actool crashes on CI runners when compiling .icon files with macOS 26
deployment target. Commit the compiled AppIcon.icns and Assets.car
instead, and copy them directly during the release build.

Author: marckohlbrugge

.github/workflows/release.yml

@@ -81,19 +81,9 @@ jobs:
           cp "$EXECUTABLE" "$APP_BUNDLE/Contents/MacOS/Reading List"
           cp Info.plist "$APP_BUNDLE/Contents/Info.plist"
 
-          # Compile .icon into Assets.car + AppIcon.icns
-          xcrun actool \
-            Resources/AppIcon.icon --app-icon AppIcon \
-            --compile "$APP_BUNDLE/Contents/Resources" \
-            --output-format human-readable-text \
-            --notices --warnings --errors \
-            --output-partial-info-plist /dev/null \
-            --include-all-app-icons \
-            --enable-on-demand-resources NO \
-            --development-region en \
-            --target-device mac \
-            --minimum-deployment-target 26.0 \
-            --platform macosx
+          # Copy pre-compiled icon assets (built locally via actool from AppIcon.icon)
+          cp Resources/AppIcon.icns "$APP_BUNDLE/Contents/Resources/AppIcon.icns"
+          cp Resources/Assets.car "$APP_BUNDLE/Contents/Resources/Assets.car"
 
           # Set version in Info.plist
           /usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $VERSION" "$APP_BUNDLE/Contents/Info.plist"