Complete JSON-B 2.0 release

* On ballot completion, the specification committee mentor:
- [x] creates an issue in the specification project that includes the following checklist for the specification project team:

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* Specification Project Team responsibilities:
- [x] promotes api staging release promotes the specification api jars to maven central. An example release job script can be found here https://wiki.eclipse.org/MavenReleaseScript.
- [ ] go through the merged jakarta.ee specification website page to verify all the links are valid.
- [ ] approve the compatibility request.
- [ ] The compatible implementation project/vendor MUST send an email to tck@eclipse.org for approval of the compatible implementation for trademark usage.
- [ ] merge any final release branch as appropriate for the branch management for the project.

Start with the remaining checklist in issue #262 and review the linked Maven Release Script guidance. Verify the Jakarta EE specification website links, approve the compatibility request, obtain the compatible implementation's TCK approval email, and merge the final release branch as appropriate. Done means all listed release tasks are completed and documented.

Written by the indexing model from the issue text.