Added Publish snapshots to maven via GHA workflow

[Angie-Zhang]

Issue #, if available:
#689

Description of changes:
Added Publish snapshots to maven via GHA workflow

CheckList:

• 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 #690 (d9808e1) into main (e35ed1f) will decrease coverage by 0.06%.
The diff coverage is n/a.

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@@             Coverage Diff              @@
##               main     #690      +/-   ##
============================================
- Coverage     75.88%   75.82%   -0.06%     
+ Complexity     2655     2647       -8     
============================================
  Files           333      333              
  Lines         15400    15400              
  Branches       2272     2272              
============================================
- Hits          11686    11677       -9     
- Misses         2392     2401       +9     
  Partials       1322     1322              

Impacted Files	Coverage Δ
...statemanagement/validation/ValidateReplicaCount.kt	0.00% <0.00%> (-32.15%)	⬇️
...ndexstatemanagement/validation/ActionValidation.kt	86.66% <0.00%> (-13.34%)	⬇️
...ndexstatemanagement/validation/ValidateRollover.kt	66.66% <0.00%> (-9.53%)	⬇️
.../indexstatemanagement/validation/ValidateDelete.kt	47.05% <0.00%> (-5.89%)	⬇️
.../action/explain/TransportExplainTransformAction.kt	70.78% <0.00%> (-2.25%)	⬇️
...nt/indexstatemanagement/ManagedIndexCoordinator.kt	70.23% <0.00%> (ø)
...earch/indexmanagement/transform/model/Transform.kt	86.01% <0.00%> (+0.42%)	⬆️
...agement/indexstatemanagement/ManagedIndexRunner.kt	47.57% <0.00%> (+0.44%)	⬆️
...exmanagement/opensearchapi/OpenSearchExtensions.kt	76.92% <0.00%> (+0.85%)	⬆️
...nt/rollup/action/stop/TransportStopRollupAction.kt	77.64% <0.00%> (+1.17%)	⬆️
... and 4 more

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[Angie-Zhang]

WhiteSource Security Check fails due to Vulnerable Library: snakeyaml-1.33.jar. This comes from OSCore.

[gaiksaya]

Added the PUBLISH_SNAPSHOTS_ROLE secret.

[gaiksaya]

Hi @Angie-Zhang ,
Just to confirm can you post the snapshots output from testing here? We observed a few glitches in other plugins.
Thanks!

[opensearch-trigger-bot]

The backport to 2.6 failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-2.6 2.6
# Navigate to the new working tree
cd .worktrees/backport-2.6
# Create a new branch
git switch --create backport/backport-690-to-2.6
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 9cdcffd8c98a2f01530655fed451cef6b9e3ae66
# Push it to GitHub
git push --set-upstream origin backport/backport-690-to-2.6
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-2.6

Then, create a pull request where the base branch is 2.6 and the compare/head branch is backport/backport-690-to-2.6.

[Angie-Zhang]

Hi @Angie-Zhang , Just to confirm can you post the snapshots output from testing here? We observed a few glitches in other plugins. Thanks!

@gaiksaya I replied the results in the issue itself: #689 (comment)