Finalize Jakarta Pages 3.1

[keilw]

• 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.
• if XML Schemas are published on https://jakarta.ee/schemas, send a PR to update the status from Draft to Final.
  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.

[arjantijms]

API jar now available here: https://jakarta.oss.sonatype.org/content/repositories/staging/jakarta/servlet/jsp/jakarta.servlet.jsp-api/3.1.0/

[markt-asf]

No XML schemas, no need to merge release branch.
Confirmed the staged repo has been replicated to Maven Central.
Just need to check the website links.

[markt-asf]

Links all look good.
Not strictly on the checklist but I want to bump the version number before closing this.

[arjantijms]

Sounds good, thanks!

[markt-asf]

All done.