chore(deps): update actions/upload-pages-artifact action to v2

Author: renovate[bot]

.github/workflows/GHPages.yml

@@ -36,7 +36,7 @@ jobs:
     - name: Setup Pages
       uses: actions/configure-pages@v3
     - name: Upload artifact
-      uses: actions/upload-pages-artifact@v1
+      uses: actions/upload-pages-artifact@v2
       with:
         path: ./explorer/dist
     - name: Deploy to GitHub Pages