ci: deploy GitHub Pages even when tests fail on main

Author: jan-molak

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
           retention-days: 30
 
       - name: GitHub Pages
-        if: github.ref == 'refs/heads/main'
+        if: always() && github.ref == 'refs/heads/main'
         uses: JamesIves/github-pages-deploy-action@v4.8.0
         with:
           branch: gh-pages