Update versions in docs

[abelsromero]

Kind of change

• [ ] Bug fix
• [ ] New non-breaking feature
• [ ] New breaking feature
• [x] Documentation update
• [ ] Build improvement

Description

What is the goal of this pull request?

Fix docs references in README and antora.yml.

How does it achieve that?

n/a

Are there any alternative ways to implement this?

n/a

Are there any implications of this pull request? Anything a user must know?

n/a

Issue

If this PR fixes an open issue, please add a line of the form:

nop.

Release notes

Please add a corresponding entry to the file CHANGELOG.adoc