Install ml-plugins dependency

[owaiskazi19]

Description

Install ml-plugins dependency to fetch the APIs of ml-commons.

Issues Resolved

Fixes #108

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[codecov]

Codecov Report

Merging #121 (994c1fb) into main (6ee3d53) will increase coverage by 0.44%.
Report is 1 commits behind head on main.
The diff coverage is 89.47%.

@@             Coverage Diff              @@
##               main     #121      +/-   ##
============================================
+ Coverage     80.24%   80.68%   +0.44%     
- Complexity      250      261      +11     
============================================
  Files            30       31       +1     
  Lines           992     1046      +54     
  Branches         95      103       +8     
============================================
+ Hits            796      844      +48     
- Misses          160      161       +1     
- Partials         36       41       +5     

Files	Coverage Δ
...g/opensearch/flowframework/common/CommonValue.java	100.00% <ø> (ø)
...a/org/opensearch/flowframework/model/Template.java	89.65% <ø> (ø)
...ch/flowframework/workflow/CreateConnectorStep.java	73.84% <100.00%> (ø)
...arch/flowframework/workflow/RegisterModelStep.java	78.94% <100.00%> (ø)
...ch/flowframework/workflow/WorkflowStepFactory.java	71.42% <100.00%> (+1.42%)	⬆️
...nsearch/flowframework/workflow/ModelGroupStep.java	88.67% <88.67%> (ø)