feat : add metrics pipeline components in hypertrace-ingester

[kotharironak]

As part of this ticket - hypertrace/hypertrace#327 - on the context of providing application metrics support, this PR,

• adds all the newly added metrics pipeline components into hypertrace-ingester
• adds a flag for enabling and disabling it
• corresponding docker-compose PR - feat: add docker-compose file for enable metrics pipeline hypertrace#328

[codecov]

Codecov Report

Merging #292 (040990c) into main (503b369) will decrease coverage by 0.27%.
The diff coverage is 43.58%.

@@             Coverage Diff              @@
##               main     #292      +/-   ##
============================================
- Coverage     79.87%   79.60%   -0.28%     
- Complexity     1285     1287       +2     
============================================
  Files           116      116              
  Lines          5108     5128      +20     
  Branches        458      465       +7     
============================================
+ Hits           4080     4082       +2     
- Misses          820      836      +16     
- Partials        208      210       +2     

Flag	Coverage Δ
unit	79.60% <43.58%> (-0.28%)	⬇️

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

Impacted Files	Coverage Δ
...va/org/hypertrace/ingester/HypertraceIngester.java	50.00% <40.54%> (-13.24%)	⬇️
...hypertrace/metrics/generator/MetricsGenerator.java	74.35% <100.00%> (ø)
...hypertrace/metrics/generator/MetricsProcessor.java	91.30% <100.00%> (ø)
...race/core/rawspansgrouper/TraceEmitPunctuator.java	75.43% <0.00%> (+0.87%)	⬆️

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[github-actions]

Unit Test Results

  75 files  ±0    75 suites  ±0   1m 14s ⏱️ +5s
393 tests ±0  393 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 181e8b3. ± Comparison against base commit 503b369.