feat(cve): cli cve diff

[laurentiuNiculae]

What type of PR is this?

Which issue does this PR fix:

What does this PR do / Why do we need it:

If an issue # is not available please add repro steps and logs showing the issue:

Testing done on this change:

Automation added to e2e:

Will this break upgrades or downgrades?

Does this PR introduce any user-facing change?:

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Attention: Patch coverage is 92.92929% with 28 lines in your changes are missing coverage. Please review.

Project coverage is 92.82%. Comparing base (752b9e8) to head (14884da).

Files	Patch %	Lines
pkg/cli/client/cves_sub_cmd.go	89.61%	4 Missing and 4 partials ⚠️
pkg/extensions/search/resolver.go	95.65%	4 Missing and 4 partials ⚠️
pkg/extensions/search/cve/cve.go	90.90%	3 Missing and 3 partials ⚠️
pkg/cli/client/search_functions.go	86.20%	2 Missing and 2 partials ⚠️
pkg/cli/client/service.go	91.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2242      +/-   ##
==========================================
+ Coverage   92.81%   92.82%   +0.01%     
==========================================
  Files         167      167              
  Lines       21855    22250     +395     
==========================================
+ Hits        20285    20654     +369     
- Misses        984      996      +12     
- Partials      586      600      +14     

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[laurentiuNiculae]

Example:
zli-linux-amd64 cve diff --url http://127.0.0.1:5000/ -u laur:password python:3.8.16-alpine3.17 python:3.8.16-alpine3.16

Should print CVE's in python:3.8.16-alpine3.17 and not in python:3.8.16-alpine3.16

[andaaron]

Except the rename it looks good. Please add more tests to increase coverage