feat: Use Client for sensor group assignment list

[1riatsila1]

Description

This method has come available on the client

Related Issue(s)

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 12 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@314f205). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...ider/provider/resources/sensor_group_assignment.go	47.82%	10 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #21   +/-   ##
=======================================
  Coverage        ?   39.20%           
=======================================
  Files           ?       29           
  Lines           ?     2857           
  Branches        ?        0           
=======================================
  Hits            ?     1120           
  Misses          ?     1593           
  Partials        ?      144           

Files with missing lines	Coverage Δ
pkg/config-api-provider/test/utils.go	100.00% <100.00%> (ø)
...ider/provider/resources/sensor_group_assignment.go	64.94% <47.82%> (ø)