feat(metric): implement new pipeline dashboard endpoints

[jvallesm]

Because

• The new dashboard introduces changes in the metrics endpoints.

This commit

• Returns the required information according to the new metrics

[linear]

INS-5379 Credit dashboard endpoints

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 119 lines in your changes missing coverage. Please review.

Project coverage is 2.92%. Comparing base (f3641f9) to head (34047f4).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/repository/influx.go	0.00%	70 Missing ⚠️
pkg/service/metric.go	0.00%	39 Missing ⚠️
pkg/handler/publichandler.go	0.00%	10 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #238      +/-   ##
========================================
+ Coverage   2.73%   2.92%   +0.18%     
========================================
  Files         30      30              
  Lines       5082    4753     -329     
========================================
  Hits         139     139              
+ Misses      4922    4593     -329     
  Partials      21      21              

Flag	Coverage Δ
unittests	2.92% <0.00%> (+0.18%)	⬆️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.