Merge pull request #95 from lichess-org/dependabot/github_actions/actions/upload-pages-artifact-3

Bump actions/upload-pages-artifact from 1 to 3

Author: kraktus

.github/workflows/docs.yml

@@ -43,7 +43,7 @@ jobs:
         run: poetry run sphinx-build -b html docs _build -EW --keep-going
       - name: Upload artifact
         if: github.ref == 'refs/heads/master'
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: "_build"
   deploy: