Bump ktlint version to fix CVE

[engechas]

Description

Manual backport of #827

Then ran ./gradlew ktlintFormat

Check List

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b0196d4) 66.45% compared to head (00a60ee) 66.85%.

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x     #850      +/-   ##
============================================
+ Coverage     66.45%   66.85%   +0.40%     
  Complexity      263      263              
============================================
  Files            39       39              
  Lines          1717     1738      +21     
  Branches        165      165              
============================================
+ Hits           1141     1162      +21     
  Misses          453      453              
  Partials        123      123              

Flag	Coverage Δ
opensearch-notifications	66.85% <100.00%> (+0.40%)	⬆️

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