fix(APIv2): RHINENG-11779 allow filtering entities under os_versions

[skateman]

Secure Coding Practices Checklist GitHub Link

• https://github.com/RedHatInsights/secure-coding-checklist

Secure Coding Checklist

• Input Validation
• Output Encoding
• Authentication and Password Management
• Session Management
• Access Control
• Cryptographic Practices
• Error Handling and Logging
• Data Protection
• Communication Security
• System Configuration
• Database Security
• File Management
• Memory Management
• General Coding Practices

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.82%. Comparing base (873f1f7) to head (9ef1fb7).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2178   +/-   ##
=======================================
  Coverage   98.82%   98.82%           
=======================================
  Files         232      232           
  Lines        5033     5035    +2     
=======================================
+ Hits         4974     4976    +2     
  Misses         59       59           

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[romanblanco]

Since this is only used by frontend, the OpenAPI spec stays unchanged.

LGTM 👍