Update docs actions while at it

Author: WardLT

.github/workflows/gh-pages.yml

@@ -21,7 +21,7 @@ jobs:
           cd docs
           make html
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: docs/_build/html
 
@@ -40,4 +40,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4