fix(deps): update module istio.io/client-go to v1.18.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
istio.io/client-go	require	patch	v1.18.0 -> v1.18.1

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Release Notes

istio/client-go (istio.io/client-go)

### [`v1.18.1`](https://togithub.com/istio/client-go/compare/v1.18.0...v1.18.1) [Compare Source](https://togithub.com/istio/client-go/compare/v1.18.0...v1.18.1)

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