fix: upload only main.lua

Author: Footagesus

.github/workflows/blank.yml

@@ -35,8 +35,8 @@ jobs:
       - name: Run build
         run: sh build/build.sh build
 
-      - name: Upload dist
+      - name: Upload main.lua
         uses: actions/upload-artifact@v4
         with:
-          name: windui-dist
-          path: dist/
+          name: main.lua
+          path: dist/main.lua