Merge pull request #53 from balena-io-examples/renovate/zipp-3.x

Update dependency zipp to v3.21.0

Author: balena-renovate[bot]

requirements.txt

@@ -5,4 +5,4 @@ itsdangerous==2.2.0
 Jinja2==3.1.6
 MarkupSafe==2.1.5
 Werkzeug==2.0.3
-zipp==3.19.3
+zipp==3.21.0