Add Java 26 to CI workflow matrix

[javadev]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (1fedd77) to head (7044f9f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##                main      #136   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity      1598      1598           
===========================================
  Files              6         6           
  Lines           4561      4561           
  Branches         835       835           
===========================================
  Hits            4561      4561           

☔ 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.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.