[Backport to main] add more parameters for text embedding model (#640)

[ylwu-amzn]

Backport PR #640 to main branch.

Description

[Describe what this change achieves]

Issues Resolved

[List any issues this PR will resolve]

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.
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[codecov-commenter]

Codecov Report

Merging #756 (bef97c8) into main (a08e482) will increase coverage by 0.33%.
The diff coverage is n/a.

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@@             Coverage Diff              @@
##               main     #756      +/-   ##
============================================
+ Coverage     84.55%   84.89%   +0.33%     
- Complexity      986      990       +4     
============================================
  Files            92       92              
  Lines          3542     3542              
  Branches        326      326              
============================================
+ Hits           2995     3007      +12     
+ Misses          410      399      -11     
+ Partials        137      136       -1     

Flag	Coverage Δ
ml-commons	84.89% <ø> (+0.33%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../opensearch/ml/action/handler/MLSearchHandler.java	86.66% <ø> (ø)
...earch/ml/action/load/TransportLoadModelAction.java	89.32% <ø> (ø)
...ml/action/load/TransportLoadModelOnNodeAction.java	94.44% <ø> (ø)
...arch/ml/action/models/GetModelTransportAction.java	78.78% <ø> (ø)
...earch/ml/action/profile/MLProfileNodeResponse.java	89.18% <ø> (ø)
...pensearch/ml/action/profile/MLProfileResponse.java	94.73% <ø> (ø)
...pensearch/ml/action/stats/MLStatsNodeResponse.java	95.65% <ø> (ø)
...ensearch/ml/action/stats/MLStatsNodesResponse.java	94.73% <ø> (ø)
.../ml/action/syncup/TransportSyncUpOnNodeAction.java	93.93% <ø> (ø)
...search/ml/action/tasks/GetTaskTransportAction.java	78.12% <ø> (ø)
... and 27 more

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