Update docs.yml

Author: jenschude

.github/workflows/docs.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Deploy 🚀
         uses: JamesIves/github-pages-deploy-action@releases/v3
         with:
-          BASE_BRANCH: master
+          BASE_BRANCH: main
           BRANCH: gh-pages
           FOLDER: build/docs
           CLEAN: true