[YUNIKORN-2980] DaemonSet preemption: don't flood the logs if victim selection fails

[pbacsko]

What is this PR for?

We generate too much output if requiredNode preemption is not successful. Instead, do the following:

1. Add an entry to the allocation log (or increment the counter)
2. Send a REQUEST event to the DS pod in every 15 seconds
3. Only log if we can successfully preempt a victim

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-2980

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 81.62%. Comparing base (6ef347b) to head (576aa41).
Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #998      +/-   ##
==========================================
+ Coverage   81.50%   81.62%   +0.11%     
==========================================
  Files          97       97              
  Lines       15520    15626     +106     
==========================================
+ Hits        12649    12754     +105     
+ Misses       2592     2587       -5     
- Partials      279      285       +6     

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[craigcondit]

Mostly good, minor nit on message wording.

[craigcondit]

+1 LGTM, pending test run.