[META] Plugins Integration Testing for Test Automation Surge

[owaiskazi19]

Run the Integration Test cases in the OpenSearch distribution building workflow for the plugins

Successful:

Plugin Name	Result
AD Plugin	With security without security
SQL Plugin	With security without security
KNN Plugin	With security without security
Async-search	With security without security

Changes required:

Plugin Name	Result	Issue	Fix
Alerting Plugin	With security without security	Since we are downloading alerting plugin as a common dependency for other plugins, the logic to run integ test needs to be changed to run alerting as an individual plugin	Fixed in #512
Notebooks	With security without security	Not able to find /gradlew to run integ test as the plugin resides in https://github.com/opensearch-project/dashboards-notebooks/tree/main/opensearch-notebooks	Fixed in #529
Reports Scheduler	With security without security	Not able to find /gradlew to run integ test as the plugin resides in https://github.com/opensearch-project/dashboards-reports/tree/main/reports-scheduler	Fixed in #529

Reference for Plugins: #58

[minalsha]

@owaiskazi19 can you also document the error you are facing and what changes are required for successfully running Alerting/notebooks and Reports Scheduler plugins. Also, please document the resolution shared by @dblock to address this.