Update build script to publish to maven local

[jmazanec15]

Description

Updates build script to publish zip to local maven. This allows plugins like neural search to pick up the zip as a dependency.

Fixes bug in build script where group was being set to org.opensearch as opposed to org.opensearch.plugin.

Publish to maven passed:

You can use '--warning-mode all' to show the individual deprecation warnings and determine if they come from your own scripts or plugins.

See https://docs.gradle.org/7.5/userguide/command_line_interface.html#sec:command_line_warnings

Execution optimizations have been disabled for 1 invalid unit(s) of work during this build to ensure correctness.
Please consult deprecation warnings for more details.

BUILD SUCCESSFUL in 16s
38 actionable tasks: 38 executed

Tried with variety
./gradlew :publishToMavenLocal -Dbuild.snapshot=true -Dbuild.version_qualifier=rc1
./gradlew :publishToMavenLocal -Dbuild.snapshot=true
./gradlew :publishToMavenLocal -Dbuild.snapshot=false

ls ~/.m2/repository/org/opensearch/plugin/opensearch-knn/
3.0.0.0				3.0.0.0-SNAPSHOT		3.0.0.0-rc1-SNAPSHOT		maven-metadata-local.xml

Issues Resolved

opensearch-project/neural-search#31

Check List

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[codecov-commenter]

Codecov Report

Merging #596 (2d0c916) into main (5bb7a3f) will decrease coverage by 0.25%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     #596      +/-   ##
============================================
- Coverage     84.77%   84.51%   -0.26%     
+ Complexity     1059     1054       -5     
============================================
  Files           149      149              
  Lines          4301     4301              
  Branches        382      382              
============================================
- Hits           3646     3635      -11     
- Misses          480      489       +9     
- Partials        175      177       +2     

Impacted Files	Coverage Δ
...va/org/opensearch/knn/index/KNNCircuitBreaker.java	60.00% <0.00%> (-20.00%)	⬇️
...ain/java/org/opensearch/knn/index/KNNSettings.java	80.88% <0.00%> (-2.21%)	⬇️

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[peterzhuamazon]

This is not ideal because we set group=org.opensearch so jars can be pushed to org/opensearch/<>.
We then set groupId=org.opensearch.plugin so zips can be pushed to org/opensearch/plugin/<>.

[jmazanec15]

For k-NN, we dont puish any jars at the moment.

[reta]

@jmazanec15 you could keep group=org.opensearch there and use groupId=org.opensearch.plugin for ZIPs, it will fix the issue:

   > Invalid publication 'nebula': supplied groupId (org.opensearch) does not match value from POM file (org.opensearch.plugin). Cannot edit groupId directly in the POM file.

[jmazanec15]

@reta I believe this is what we do now:

1. https://github.com/opensearch-project/k-NN/blob/main/build.gradle#L56
2. https://github.com/opensearch-project/k-NN/blob/main/build.gradle#L91

I think I can leave as is, but change build script to use:

./gradlew publishPluginZipPublicationToMavenLocal