chore: only build core in react verify workflow

Author: lukasbach

.github/workflows/verify.yml

@@ -23,7 +23,7 @@ jobs:
           cat ./.yarnrc.yml
           yarn
       - name: Build
-        run: yarn build
+        run: yarn build:core
 
   verify:
     runs-on: ubuntu-latest

package.json

@@ -12,6 +12,7 @@
   "scripts": {
     "start": "lerna run start --parallel",
     "build": "lerna run build",
+    "build:core": "lerna run build --scope react-complex-tree",
     "test": "lerna run test --stream",
     "storybook": "start-storybook -p 6006",
     "build-storybook": "build-storybook",