Add release notes for v2.11.1

[ansjcy]

Is your feature request related to a problem? Please provide an existing Issue # , or describe. Add release notes for v2.11.1

Describe the solution you are proposing A clear and concise description of what you want to happen.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.

Check List

• [ ] Backport Labels added.
• [ ] New functionality includes testing.
  • [ ] All tests pass
• [ ] New functionality has been documented.
  • [ ] New functionality has javadoc added
• [ ] Commits are signed per the DCO using --signoff

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (43367b1) 69.35% compared to head (5d58129) 69.13%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #602 +/- ## ============================================ - Coverage 69.35% 69.13% -0.23% + Complexity 372 370 -2 ============================================ Files 44 44 Lines 2689 2689 Branches 172 172 ============================================ - Hits 1865 1859 -6 - Misses 721 726 +5 - Partials 103 104 +1 ```

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