Config Doc - Assorted improvements related to Kubernetes extensions

[gsmet]

I noticed these issues when discussing with Roberto about something completely different.

[quarkus-bot[bot]]

Status for workflow Quarkus Documentation CI

This is the status report for running Quarkus Documentation CI on commit 51078fa113547bdc3c42243a4d80743db65e65f6.

:white_check_mark: The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

[!WARNING] There are other workflow runs running, you probably need to wait for their status before merging.

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🎊 PR Preview 16759d4719821b37a5248e60168ca7d4bde5241e has been successfully built and deployed to https://quarkus-pr-main-44623-preview.surge.sh/version/main/guides/

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[quarkus-bot[bot]]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 51078fa113547bdc3c42243a4d80743db65e65f6.

:white_check_mark: The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

You can consult the Develocity build scans.