ci: re-enables conditional publication of website

Fixes #129

Author: gnikit

.github/workflows/sphinx.yml

@@ -46,7 +46,7 @@ jobs:
           CNAME: ${{ secrets.CNAME }}
 
       - uses: JamesIves/github-pages-deploy-action@4.1.6
-        if: ${{ github.event_name == 'push' }} #&& steps.deploy-on-push.outputs.result != 0 }}
+        if: ${{ github.event_name == 'push' && steps.deploy-on-push.outputs.result != 0 }}
         with:
           branch: gh-pages
           folder: _build/html