Fix new lint errors

[fjglira]

Fix lint errors that are happening in the PR: #1231

What type of PR is this?

• Enhancement / New Feature
• Bug Fix
• Refactor
• Optimization
• Test
• Documentation Update

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Related Issue/PR #

Additional information:

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 77.39%. Comparing base (e823206) to head (7484541).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
controllers/istio/istio_controller.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1233      +/-   ##
==========================================
- Coverage   77.50%   77.39%   -0.11%     
==========================================
  Files          44       44              
  Lines        2823     2823              
==========================================
- Hits         2188     2185       -3     
- Misses        527      529       +2     
- Partials      108      109       +1     

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[sridhargaddam]

Looks like this was present since couple of months. Did the linter config change recently?

[istio-testing]

In response to a cherrypick label: new pull request created: #1234

[istio-testing]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against istio-ecosystem/sail-operator#release-1.26 from head istio-testing:cherry-pick-1233-to-release-1.26: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"A pull request already exists for istio-testing:cherry-pick-1233-to-release-1.26."}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request","status":"422"}

[istio-testing]

In response to a cherrypick label: new pull request created: #1235

[istio-testing]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against istio-ecosystem/sail-operator#release-1.27 from head istio-testing:cherry-pick-1233-to-release-1.27: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"A pull request already exists for istio-testing:cherry-pick-1233-to-release-1.27."}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request","status":"422"}