Revert "Upgrade the upload pages artifact action"

This reverts commit a470a7e.

Author: bendera

.github/workflows/astro.yml

@@ -73,7 +73,7 @@ jobs:
             --base "${{ steps.pages.outputs.base_path }}"
         working-directory: ${{ env.BUILD_PATH }}
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3.0.1
+        uses: actions/upload-pages-artifact@v2
         with:
           path: ${{ env.BUILD_PATH }}/dist