Merge pull request #232 from KVSlab/dependabot/github_actions/actions/upload-pages-artifact-4

Bump actions/upload-pages-artifact from 3 to 4

Author: keiyamamo

.github/workflows/build_docs.yml

@@ -80,7 +80,7 @@ jobs:
         run: jupyter book build -W docs
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ${{ env.PUBLISH_DIR }}