Grpc cb utility update

[Gg-harness]

Description

Added config key support to define nested (channel level) configurations.

For Ex :
Circuit Breaker Key - TenantId (defined by key function)
Config Key : S3 (notification channel)
Even though circuit breaker objects can be different for different tenants, we can define the CB configuration at channel level

Testing

Tested changes on sandbox environment using this utility. Unit Tests added and validated.
Scenarios :

1. Thresholds defined for circuit breaker key => should pick thresholds against circuit breaker key
2. Thresholds not defined for circuit breaker key
   i. Config Key Set, Thresholds defined for config key => should pick thresholds against config key
   ii. Config Key Set, Thresholds not defined for config key => should pick default thresholds
   iii. Config key not set => should pick default thresholds

Jira : https://harness.atlassian.net/browse/ENGTAI-60244

[github-actions]

Test Results

100 tests  +10   100 ✅ +10   26s ⏱️ +2s
 18 suites + 2     0 💤 ± 0 
 18 files   + 2     0 ❌ ± 0 

Results for commit 21756b5. ± Comparison against base commit db91474.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Attention: Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.

Project coverage is 69.74%. Comparing base (db91474) to head (21756b5).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ls/resilience/ResilienceCircuitBreakerFactory.java	0.00%	2 Missing ⚠️
...breaker/grpcutils/CircuitBreakerConfiguration.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #70      +/-   ##
============================================
+ Coverage     60.93%   69.74%   +8.81%     
- Complexity      193      225      +32     
============================================
  Files            35       35              
  Lines           750      757       +7     
  Branches         45       48       +3     
============================================
+ Hits            457      528      +71     
+ Misses          263      190      -73     
- Partials         30       39       +9     

Flag	Coverage Δ
unit	69.74% <72.72%> (+8.81%)	⬆️

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[aaron-steinfeld]

Discussing offline - use multiple circuit breakers rather than adding extra levels of scoping inside the config.