Bump golangci-lint timeout from 2m to 5m

[seanmalloy]

Sometimes golangci-lint timesout when running in CI. Bump the timeout from 2 minutes to 5 minutes to reduce flakey CI failures.

ref: https://golangci-lint.run/usage/configuration/#run-configurationhttps://golangci-lint.run/usage/configuration/#run-configuration

[seanmalloy]

Here an example failed CI job, https://prow.k8s.io/view/gs/kubernetes-ci-logs/pr-logs/pull/kubernetes-sigs_descheduler/1569/pull-descheduler-verify-master/1865066701259804672

curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b ./_output/bin v1.62.2
golangci/golangci-lint info checking GitHub for tag 'v1.62.2'
golangci/golangci-lint info found version: 1.62.2 for v1.62.2/linux/amd64
golangci/golangci-lint info installed ./_output/bin/golangci-lint
./_output/bin/golangci-lint run
level=error msg="Timeout exceeded: try increasing it by passing --timeout option"

/cc @jklaw90 @a7i

[seanmalloy]

/kind cleanup

[a7i]

/approve

[k8s-ci-robot]

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[seanmalloy]

@jklaw90 please review when you have some time. Thanks!

[jklaw90]

/lgtm