#1336 : poc-logger-suppress

[pratt4]

This PR adds a new flag --quietMode (default false) to reduce noisy production logs without changing default behavior.
When --quietMode=true, logging for noisy packages is set to WARN at runtime and HAPI request-summary logging is disabled, so URL/per-request INFO chatter is suppressed while WARN/ERROR remains visible.
It is applied in both launcher and worker paths (FhirEtl, ParquetMerger, FetchSearchPageFn setup, and controller pipeline paths), so it works for distributed Beam execution too.
I also propagated quiet mode to incremental merger options from the controller.

About String.format changes: correctness does not depend on this, but it is useful in hot INFO paths.
String.format(...) builds the string even when INFO is disabled; SLF4J placeholder style ("{}") defers formatting unless that log level is enabled.
So in quiet mode it avoids unnecessary formatting overhead.
If you want minimal diff, we can keep this only for high-frequency INFO logs and revert the rest.

I validated with targeted tests: FetchUtilTest, FetchResourcesTest, and FhirSearchUtilTest passed.

closes #1336

will extend this other modules also.. if the way of suppressing is approved

thanks

[codecov-commenter]

Codecov Report

❌ Patch coverage is 26.82927% with 30 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.52%. Comparing base (8434457) to head (ae2929e).

Files with missing lines	Patch %	Lines
...com/google/fhir/analytics/LoggingConfigurator.java	14.28%	17 Missing and 1 partial ⚠️
...c/main/java/com/google/fhir/analytics/FhirEtl.java	0.00%	5 Missing ⚠️
...java/com/google/fhir/analytics/FetchResources.java	50.00%	2 Missing ⚠️
.../java/com/google/fhir/analytics/ParquetMerger.java	0.00%	2 Missing ⚠️
...ava/com/google/fhir/analytics/PipelineManager.java	50.00%	2 Missing ⚠️
...main/java/com/google/fhir/analytics/FetchUtil.java	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1566      +/-   ##
============================================
- Coverage     46.61%   46.52%   -0.10%     
- Complexity      678      681       +3     
============================================
  Files            90       91       +1     
  Lines          5886     5915      +29     
  Branches        834      836       +2     
============================================
+ Hits           2744     2752       +8     
- Misses         2827     2848      +21     
  Partials        315      315              

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