Updated security CI workflow to build security plugin via Gradle

[saikaranam-amazon]

Description

Updated security CI workflow to build security plugin via Gradle

Issues Resolved

#308

Check List

• 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

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 #309 (6ce045e) into main (989f705) will decrease coverage by 0.15%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     #309      +/-   ##
============================================
- Coverage     71.94%   71.79%   -0.16%     
- Complexity      893      894       +1     
============================================
  Files           139      139              
  Lines          4424     4424              
  Branches        520      520              
============================================
- Hits           3183     3176       -7     
- Misses          919      924       +5     
- Partials        322      324       +2     

Impacted Files	Coverage Δ
...rch/replication/action/status/ShardInfoResponse.kt	74.78% <0.00%> (-18.27%)	⬇️
...action/stop/TransportStopIndexReplicationAction.kt	70.00% <0.00%> (-5.72%)	⬇️
...ation/task/shard/ShardReplicationChangesTracker.kt	60.60% <0.00%> (-3.04%)	⬇️
...replication/metadata/ReplicationMetadataManager.kt	64.28% <0.00%> (-1.03%)	⬇️
...on/resume/TransportResumeIndexReplicationAction.kt	85.29% <0.00%> (+1.47%)	⬆️
...ication/seqno/RemoteClusterRetentionLeaseHelper.kt	80.00% <0.00%> (+1.66%)	⬆️
...cation/action/changes/TransportGetChangesAction.kt	81.66% <0.00%> (+21.66%)	⬆️
...arch/replication/metadata/UpdateMetadataRequest.kt	100.00% <0.00%> (+23.80%)	⬆️

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[ankitkala]

LGTM