[YUNIKORN-2942] Expose foreign allocations tags on the REST interface

[pbacsko]

What is this PR for?

Export allocation tags for foreign allocations on the REST API.

What type of PR is it?

• - Bug Fix
• - Improvement
• - Feature
• - Documentation
• - Hot Fix
• - Refactoring

Todos

• - Task

What is the Jira issue?

https://issues.apache.org/jira/browse/YUNIKORN-2942

How should this be tested?

Screenshots (if appropriate)

Questions:

• - The licenses files need update.
• - There is breaking changes for older versions.
• - It needs documentation.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.25%. Comparing base (079a02d) to head (a2c871d).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #988      +/-   ##
==========================================
- Coverage   81.50%   81.25%   -0.26%     
==========================================
  Files          97       97              
  Lines       12623    15463    +2840     
==========================================
+ Hits        10289    12565    +2276     
- Misses       2053     2615     +562     
- Partials      281      283       +2     

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[manirajv06]

looks good. Should we raise jira for the doc changes?