ci: migrate release publishing to central plugin

[nobodyiam]

What's the purpose of this PR

Migrate Apollo Java release publishing to Sonatype Central's official Maven plugin flow, and remove the now-obsolete OSSRH compatibility publish orchestration.

Which issue(s) this PR fixes:

Fixes #N/A (release infrastructure migration)

Brief changelog

• switch release profile to org.sonatype.central:central-publishing-maven-plugin
• enable auto publish and wait until PUBLISHED
• simplify .github/workflows/release.yml to a single Central publish path
• remove legacy sonatype-publish.yml workflow and related helper scripts
• drop obsolete distributionManagement endpoints tied to old OSSRH workflow

Follow this checklist to help us incorporate your contribution quickly and easily:

• Read the Contributing Guide before making this pull request.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Write necessary unit tests to verify the code.
• Run mvn clean test to make sure this pull request doesn't break anything.
• Update the CHANGES log.

Validation executed

• mvn -B -q -DskipTests -Prelease help:evaluate -Dexpression=project.version -DforceStdout
• mvn help:describe -Dplugin=org.sonatype.central:central-publishing-maven-plugin:0.10.0 -Ddetail -Dgoal=publish -DskipTests

Summary by CodeRabbit

• New Features

  • Automatic Maven Central publishing using the central-publishing-maven-plugin with streamlined deployment.

• Chores

  • Removed legacy Sonatype staging management scripts and workflows.
  • Removed manual Sonatype publishing workflow.
  • Simplified release configuration by removing explicit repository settings.

[coderabbitai]

Note

Currently processing new changes in this PR. This may take a few minutes, please wait...

 ___________________________________________________________________________________________________________
< Childhood dream: become a code reviewer. Adult reality: became a code reviewer. Childhood dream achieved. >
 -----------------------------------------------------------------------------------------------------------
  \
   \   \
        \ /\
        ( )
      .( o ).

_{✏️ Tip: You can disable in-progress messages and the fortune message in your review settings.}

✨ Finishing Touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.96%. Comparing base (d4b76f8) to head (0d84f6e).
⚠️ Report is 23 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #131      +/-   ##
============================================
+ Coverage     68.68%   70.96%   +2.28%     
- Complexity     1503     1632     +129     
============================================
  Files           212      224      +12     
  Lines          6396     6727     +331     
  Branches        647      679      +32     
============================================
+ Hits           4393     4774     +381     
+ Misses         1673     1601      -72     
- Partials        330      352      +22     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.