fix: DWO version update in antora.yml

[max-cx]

What does this pull request change?

Update the DWO version in the upstream docs for Che 7.50+ from devworkspace-operator-version-patch: "0.14.1" to devworkspace-operator-version-patch: "0.15.2"

What issues does this pull request fix or reference?

Specify the version of the product this pull request applies to

main and backport into 7.50.x

Pull Request checklist

The author and the reviewers validate the content of this pull request with the following checklist, in addition to the automated tests.

• Any procedure:
  • [ ] Successfully tested.
• Any page or link rename:
  • [ ] The page contains a redirection for the previous URL.
  • Propagate the URL change in:
    • [ ] Dashboard default branding data
    • [ ] Chectl constants.ts
• [ ] Builds on Eclipse Che hosted by Red Hat.
• [ ] the Validate language on files added or modified step reports no vale warnings.

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[themr0c]

Please rebase to fix the build, wait for build success, and merge.

[themr0c]

We can't merge as long as the build fail, even if we know this fix is safe. And for some reason I lost the ability to rebase on this branch.

[max-cx]

This change was expedited and applied as part of https://github.com/eclipse-che/che-docs/pull/2419.