fix(pkg/controllers/tagging): correct logging message for seconds

[gyuho]

What type of PR is this?

/kind cleanup

What this PR does / why we need it: Similar to https://github.com/kubernetes/cloud-provider-aws/pull/712, fix logging format.

I1107 17:47:44.958671 11 tagging_controller.go:250] Processing latency %!s(float64=0.565427747)

should be "Processing latency 0.565427747 seconds".

Which issue(s) this PR fixes: N/A

Special notes for your reviewer: Thanks.

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

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[kmala]

/lgtm

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@kmala: changing LGTM is restricted to collaborators

In response to [this](https://github.com/kubernetes/cloud-provider-aws/pull/731#issuecomment-1799348721): >/lgtm Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[kmala]

/triage accepted

[k8s-ci-robot]

@kmala: The label triage/accepted cannot be applied. Only GitHub organization members can add the label.

In response to [this](https://github.com/kubernetes/cloud-provider-aws/pull/731#issuecomment-1799349636): >/triage accepted Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[cartermckinnon]

/lgtm /approve

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