fix(action): correct source folder

Author: Tamás Russ

.github/workflows/build-and-deploy.yml

@@ -29,6 +29,6 @@ jobs:
         uses: JamesIves/[email protected]
         with:
           branch: master
-          folder: build
+          folder: packages/open-scd/build
           repository-name: openscd/openscd.github.io
           ssh-key: ${{ secrets.DEPLOY_KEY }}