chore: add metrics for braze alias failures

[utsabc]

What are the changes introduced in this PR?

This PR adds metrics for braze identify flow where errors are observed due missing userId, as braze returns 200 with an error message in response body we want to capture that as metrics

What is the related Linear task?

Resolves INT-2259

[devops-github-rudderstack]

Test report for this run is available at: https://test-integrations-dev.s3.amazonaws.com/integrations-test-reports/rudder-transformer/3452/test-report.html

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 88.02%. Comparing base (b1a0f24) to head (41266f5).
Report is 4 commits behind head on develop.

Files	Patch %	Lines
src/v0/destinations/braze/util.js	55.55%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3452      +/-   ##
===========================================
- Coverage    88.02%   88.02%   -0.01%     
===========================================
  Files          570      570              
  Lines        30773    30795      +22     
  Branches      7351     7361      +10     
===========================================
+ Hits         27089    27107      +18     
- Misses        3349     3380      +31     
+ Partials       335      308      -27     

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
50.0% Coverage on New Code
11.3% Duplication on New Code

See analysis details on SonarCloud