Add groovy library for smoke test workflow

[zelinh]

Description

Add groovy library for smoke tests

Issues Resolved

Part of opensearch-project/opensearch-build#5190

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.81%. Comparing base (e6ec7d1) to head (026ee40).
Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #569      +/-   ##
============================================
+ Coverage     84.75%   84.81%   +0.06%     
  Complexity      114      114              
============================================
  Files           117      120       +3     
  Lines           682      685       +3     
  Branches         75       75              
============================================
+ Hits            578      581       +3     
  Misses           30       30              
  Partials         74       74              

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