[Backport 2.x] Added TransportActions support and removed LocalNodeResponse for extensions

[ryanbogan]

Signed-off-by: Ryan Bogan [email protected]

Description

This PR merges the fourth batch of feature/extensions into main and will then be backported to 2.x. It adds TransportActions support and removes LocalNodeResponse for extensions

Backport of #5615

Issues Resolved

Issue with links to PR's included in this merge: #5273
Meta issue for entire feature/extensions merge: #5263

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
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

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.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/8419/
• CommitID: 7948adb

[codecov-commenter]

Codecov Report

Merging #5629 (7948adb) into 2.x (2ebfb08) will decrease coverage by 0.01%.
The diff coverage is 72.67%.

@@             Coverage Diff              @@
##                2.x    #5629      +/-   ##
============================================
- Coverage     70.72%   70.70%   -0.02%     
- Complexity    58584    58667      +83     
============================================
  Files          4731     4740       +9     
  Lines        280238   280513     +275     
  Branches      40861    40881      +20     
============================================
+ Hits         198186   198332     +146     
- Misses        65586    65702     +116     
- Partials      16466    16479      +13     

Impacted Files	Coverage Δ
...rch/extensions/rest/RestSendToExtensionAction.java	28.76% <16.66%> (+0.98%)	⬆️
...a/org/opensearch/extensions/ExtensionsManager.java	56.59% <29.16%> (-2.42%)	⬇️
...ch/extensions/action/ExtensionTransportAction.java	50.00% <50.00%> (ø)
...ns/action/TransportActionRequestFromExtension.java	69.23% <69.23%> (ø)
...nsions/action/ExtensionHandleTransportRequest.java	70.00% <70.00%> (ø)
...sions/action/ExtensionTransportActionsHandler.java	72.58% <72.58%> (ø)
...org/opensearch/extensions/ExtensionDependency.java	73.68% <73.68%> (ø)
...ensearch/extensions/rest/ExtensionRestRequest.java	77.27% <77.27%> (ø)
...ch/extensions/RegisterTransportActionsRequest.java	85.71% <92.30%> (-0.50%)	⬇️
...nsearch/extensions/rest/ExtensionRestResponse.java	95.45% <95.45%> (ø)
... and 469 more

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