Json logging for k8s Integration

What does this MR do?

• Minor updates to the logging docs that I assume were typos
• Create a new JSON logger called kubernetes_integration
• Use this JSON logger in a couple of places where we are logging helm install errors now

What are the relevant issue numbers?

Does this MR meet the acceptance criteria?

• [-] Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.

/cc @tkuah @mayra-cabrera @ayufan whatever we merge here we should ensure we follow up by using the same logging approach everywhere to do with Kubernetes integration

#54521 (closed)