Bump actions/upload-pages-artifact from 2 to 3 (#39)

Bump actions/upload-pages-artifact from 2 to 3

Author: Guts

.github/workflows/documentation.yml

@@ -74,7 +74,7 @@ jobs:
         if: ${{ github.event_name == 'push' && ( startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/main' ) }}
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         if: ${{ github.event_name == 'push' && ( startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/main' ) }}
         with:
           # Upload entire repository