[fix] fix deprecated warnings and restrict KAL linter exclusions to v1alpha2 APIs

[eljohnson92]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• adds or updates e2e tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.60%. Comparing base (ac1346f) to head (1f452f3).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #943      +/-   ##
==========================================
+ Coverage   66.56%   66.60%   +0.04%     
==========================================
  Files          71       71              
  Lines        6349     6345       -4     
==========================================
  Hits         4226     4226              
+ Misses       1822     1820       -2     
+ Partials      301      299       -2     

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