NO-JIRA: Bump to golangci-lint 2.x

[jmencak]

golangci-lint 1.x is obsolete. Move with the times.

[jmencak]

/cc @mrniranjan
mostly for awareness. I wonder if you or anyone from the QE team help out with the removal of the ginkgo's deprecated reporters.ReportViaDeprecatedReporter() method in the future. This is currently the only deprecated method the linter sees.

[openshift-ci]

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[openshift-ci-robot]

@jmencak: This pull request explicitly references no jira issue.

In response to this:

golangci-lint 1.x is obsolete. Move with the times.

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[jmencak]

/retest

[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD 4bee682 and 2 for PR HEAD e728a02 in total

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@jmencak: all tests passed!

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[ART PR BUILD NOTIFIER]

Distgit: cluster-node-tuning-operator
This PR has been included in build cluster-node-tuning-operator-container-v4.20.0-202507100843.p0.g4f5c8b9.assembly.stream.el9.
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