Add release note for 1.1 release

[VijayanB]

Signed-off-by: Vijayan Balasubramanian balasvij@amazon.com

Description

Add release note for 1.1 release

Check List

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

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license. For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov-commenter]

Codecov Report

Merging #39 (b1a72fd) into main (199b1d1) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #39   +/-   ##
=======================================
  Coverage   67.26%   67.26%           
=======================================
  Files          31       31           
  Lines        1848     1848           
=======================================
  Hits         1243     1243           
  Misses        499      499           
  Partials      106      106           

Flag	Coverage Δ
opensearch-cli	67.26% <ø> (ø)

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