- bump version up after deprecation notice

Author: TobiasMue91

.github/workflows/jekyll-gh-pages.yml

@@ -38,7 +38,7 @@ jobs:
           destination: ./_site
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
 
   # Deployment job
   deploy: