Fix golangci exclude config

[pierDipi]

Similar to Serving one knative/serving#15775

/cc @dsimansk

[knative-prow]

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[dsimansk]

/lgtm

[dsimansk]

/retest

[pierDipi]

/retest

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.81%. Comparing base (5bcee30) to head (c0011f3).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8502      +/-   ##
==========================================
- Coverage   62.83%   62.81%   -0.02%     
==========================================
  Files         396      396              
  Lines       24233    24233              
==========================================
- Hits        15226    15223       -3     
- Misses       8199     8201       +2     
- Partials      808      809       +1     

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[dsimansk]

@pierDipi for the kind tests failures: #8503

Downstream eventing-github fix PR in go.mod is on they way to merge as well.