bumping bwc test version for 3.0.0

[joshpalis]

Description

2.x has been bumped to 2.11 (PR), updating main branch BWC test version to match

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.

[joshpalis]

Failing BWC tests due to :

Execution failed for task ':opensearch-job-scheduler-sample-extension:jobSchedulerBwcCluster#oldVersionClusterTask1'.
> Could not resolve all files for configuration ':opensearch-job-scheduler-sample-extension:opensearch_distro_extracted_testclusters-opensearch-job-scheduler-sample-extension-jobSchedulerBwcCluster1-0-2.11.0-SNAPSHOT-'.
   > Could not resolve opensearch-distribution-snapshot:opensearch:2.11.0-SNAPSHOT.
     Required by:
         project :opensearch-job-scheduler-sample-extension
      > Could not resolve opensearch-distribution-snapshot:opensearch:2.11.0-SNAPSHOT.
         > Could not get resource 'https://artifacts.opensearch.org/snapshots/core/opensearch/2.11.0-SNAPSHOT/opensearch-min-2.11.0-SNAPSHOT-linux-x64-latest.tar.gz'.
            > Could not HEAD 'https://artifacts.opensearch.org/snapshots/core/opensearch/2.11.0-SNAPSHOT/opensearch-min-2.11.0-SNAPSHOT-linux-x64-latest.tar.gz'. Received status code 403 from server: Forbidden

[codecov]

Codecov Report

Merging #491 (36354ad) into main (14eae94) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #491   +/-   ##
=========================================
  Coverage     29.17%   29.17%           
  Complexity       98       98           
=========================================
  Files            22       22           
  Lines          1186     1186           
  Branches        109      109           
=========================================
  Hits            346      346           
  Misses          819      819           
  Partials         21       21