[cross-cluster-replication] OpenSearch 1.2 Changes

[saikaranam-amazon]

Is your feature request related to a problem? Please describe.
Targeted fixes for OS 1.2 release

• [BUG] [Intermittent] Shard Replication Task fails to parse state from task params #223
• [BUG] Index replication task exits after OS restart #222
• [BUG] Replication failing due to Invalid Retention lease #205
• [BUG] RetentionLeaseInvalidRetainingSeqNoException #188

Campaigns
Required DCO verification on pull requests - Ensure DCO Workflow Check #201
Correct copyright notices to reflect Copyright OpenSearch Contributors - Add copyright to README and remove year from NOTICE #96
Use AWS OSS Maven -SNAPSHOT for plugin dependencies - [CI] Version bump to 1.2 #213
Add backwards compatibility tests for plugins - Add backwards compatibility tests for automation #116
Update plugin description blurbs - N/A
Use AWS OSS Maven -SNAPSHOT for plugin dependencies - [CI] Version bump to 1.2 #213

[saikaranam-amazon]

Campaigns

• Required DCO verification on pull requests - Ensure DCO Workflow Check #201
• Correct copyright notices to reflect Copyright OpenSearch Contributors - Add copyright to README and remove year from NOTICE #96
• Use AWS OSS Maven -SNAPSHOT for plugin dependencies - [CI] Version bump to 1.2 #213
• Add backwards compatibility tests for plugins - Add backwards compatibility tests for automation #116
• Update plugin description blurbs - N/A
• Use AWS OSS Maven -SNAPSHOT for plugin dependencies - [CI] Version bump to 1.2 #213