refactor(handlers): wrap error handling in GetAudits

[yxxhero]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 34.34%. Comparing base (80d109e) to head (7fb09fc).

Files with missing lines	Patch %	Lines
manager/handlers/audit.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4051      +/-   ##
==========================================
- Coverage   34.40%   34.34%   -0.06%     
==========================================
  Files         344      344              
  Lines       40299    40300       +1     
==========================================
- Hits        13864    13842      -22     
- Misses      25522    25542      +20     
- Partials      913      916       +3     

Flag	Coverage Δ
unittests	34.34% <0.00%> (-0.06%)	⬇️

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

Files with missing lines	Coverage Δ
manager/handlers/audit.go	66.66% <0.00%> (-4.77%)	⬇️

... and 5 files with indirect coverage changes

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[gaius-qi]

I think nolint is good for code clearer.