Minor improvements

[thalurur]

Signed-off-by: Ravi Thaluru thalurur@users.noreply.github.com

Issue #, if available:
N/A

Description of changes:

1. Porting additional check in rollover step that is missing
2. Minor optimization, converting all retrieved matching indices to set for a more faster lookup when processing delete event in Coordinator
3. Updating schema version - to force all changes going forward to be applied everywhere

CheckList:

• Commits are signed per the DCO using --signoff

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[codecov-commenter]

Codecov Report

Merging #345 (4f0d933) into main (534bb10) will decrease coverage by 0.05%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #345      +/-   ##
============================================
- Coverage     75.25%   75.20%   -0.06%     
+ Complexity     2144     2142       -2     
============================================
  Files           262      262              
  Lines         12444    12444              
  Branches       1966     1966              
============================================
- Hits           9365     9358       -7     
- Misses         2012     2015       +3     
- Partials       1067     1071       +4     

Impacted Files	Coverage Δ
...nt/indexstatemanagement/ManagedIndexCoordinator.kt	75.22% <100.00%> (ø)
...anagement/indexstatemanagement/model/Transition.kt	63.01% <0.00%> (-2.74%)	⬇️
.../rollup/action/start/TransportStartRollupAction.kt	72.94% <0.00%> (-2.36%)	⬇️
...gement/indexstatemanagement/action/ShrinkAction.kt	70.58% <0.00%> (-1.48%)	⬇️
...earch/indexmanagement/transform/TransformRunner.kt	78.01% <0.00%> (-0.71%)	⬇️
...earch/indexmanagement/transform/model/Transform.kt	85.47% <0.00%> (-0.43%)	⬇️
.../opensearch/indexmanagement/rollup/model/Rollup.kt	86.04% <0.00%> (ø)

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