Merge pull request #413 from juliusknorr/dependabot/github_actions/actions/upload-pages-artifact-4

chore(deps): bump actions/upload-pages-artifact from 3 to 4

Author: juliusknorr

.github/workflows/docs.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Build MkDocs
         run: mkdocs build
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           # Upload entire repository
           path: './site'