ci: generate prop tables for snapshot storybook

Author: MarcusNotheis

.github/workflows/main.yml

@@ -19,13 +19,13 @@ jobs:
       uses: actions/[email protected]
       with:
         node-version: 12.x
-      env:
-        UI5_WEBCOMPONENTS_FOR_REACT_RELEASE_BUILD: true
 
     - name: Install and Build
       run: |
         yarn install
         yarn build:storybook
+      env:
+        UI5_WEBCOMPONENTS_FOR_REACT_RELEASE_BUILD: true
 
     - name: Deploy 🚀
       uses: JamesIves/github-pages-deploy-action@releases/v3