fix(cloudsql): add trusted client certificates case for cloudsql_instance_ssl_connections

[prowler-bot]

Backport

This will backport the following commits from master to v5.1:

• fix(cloudsql): add trusted client certificates case for `cloudsql_instance_ssl_connections` (#6682)

Questions ?

Please refer to the Backport tool documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.04%. Comparing base (6bc68b7) to head (c28ee03).
Report is 1 commits behind head on v5.1.

Additional details and impacted files

@@            Coverage Diff             @@
##             v5.1    #6686      +/-   ##
==========================================
- Coverage   90.05%   90.04%   -0.01%     
==========================================
  Files        1182     1182              
  Lines       36106    36106              
==========================================
- Hits        32515    32512       -3     
- Misses       3591     3594       +3     

Flag	Coverage Δ
prowler	90.04% <100.00%> (-0.01%)	⬇️

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Components	Coverage Δ
prowler	90.04% <100.00%> (-0.01%)	⬇️
api	∅ <ø> (∅)