[AUTO] Increment version to 2.12.0-SNAPSHOT

[opensearch-trigger-bot]

• Incremented version to 2.12.0-SNAPSHOT.

[codecov]

Codecov Report

Merging #511 (50c7e4e) into 2.x (75bbd37) will decrease coverage by 0.05%.
The diff coverage is n/a.

❗ Current head 50c7e4e differs from pull request most recent head 34974d2. Consider uploading reports for the commit 34974d2 to get more accurate results

@@             Coverage Diff              @@
##                2.x     #511      +/-   ##
============================================
- Coverage     75.69%   75.64%   -0.05%     
+ Complexity     2583     2581       -2     
============================================
  Files           303      303              
  Lines         15415    15415              
  Branches       1218     1218              
============================================
- Hits          11668    11661       -7     
- Misses         3257     3263       +6     
- Partials        490      491       +1     

see 3 files with indirect coverage changes