@mittwald/kubernetes's secret contents leaked via debug logging
### Impact
When debug logging is enabled (via `DEBUG` environment variable), the Kubernetes client may log all response bodies into the debug log -- including sensitive data from `Secret` resources.
When running in a Kubernetes cluster, this might expose sensitive information to users who are _not_ authorised to access secrets, but have access to Pod logs (either directly using kubectl, or by Pod logs being shipped elsewhere).
### Patches
Upgrade to 3.5.0 or newer.
### Workarounds
Disable debug logging entirely, or exclude the `kubernetes:client` debug item (for example, using `DEBUG=*,-kubernetes:client`).
### References
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https://cwe.mitre.org/data/definitions/532.html