Fix typos in deploying-to-kubernetes.adoc

[rogerwalt]

No description provided.

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[gsmet]

Thanks for taking the time to open a PR!

I added some additional suggestions as there are more typos in this sentence.

Could you apply the change and squash? If you don't feel like it, I can do it.

[github-actions]

🙈 The PR is closed and the preview is expired.

[gsmet]

Squashed the additional changes, let's wait for CI and merge!

[quarkus-bot]

Status for workflow Quarkus Documentation CI

This is the status report for running Quarkus Documentation CI on commit c7f68ae.

✅ 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.