chore(deps): upgrade actions/upload-artifact action to v7 (#3127)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docs-json-export.yml

@@ -35,7 +35,7 @@ jobs:
         id: generate-json
         run: python scripts/docs_json_exporter.py
       - name: Upload docs.json as artifact
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7.0.0
         id: artifact-upload
         with:
           name: Pycord Docs JSON