[Backport 2.x] Add release notes for 2.17.1.0

[opensearch-trigger-bot]

Backport b6d9192 from #378

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.91%. Comparing base (ba66b62) to head (fd39ba2).
Report is 26 commits behind head on 2.x.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x     #379      +/-   ##
==========================================
+ Coverage   80.29%   83.91%   +3.61%     
==========================================
  Files          26       43      +17     
  Lines         477      690     +213     
  Branches      109      151      +42     
==========================================
+ Hits          383      579     +196     
- Misses         67       80      +13     
- Partials       27       31       +4     

Flag	Coverage Δ
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