build(deps): update kubernetes packages to v0.26.7 (patch)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
k8s.io/api	require	patch	v0.26.6 -> v0.26.7
k8s.io/apimachinery	require	patch	v0.26.6 -> v0.26.7
k8s.io/client-go	require	patch	v0.26.6 -> v0.26.7

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Release Notes

kubernetes/api (k8s.io/api)

### [`v0.26.7`](https://togithub.com/kubernetes/api/compare/v0.26.6...v0.26.7) [Compare Source](https://togithub.com/kubernetes/api/compare/v0.26.6...v0.26.7)

kubernetes/apimachinery (k8s.io/apimachinery)

### [`v0.26.7`](https://togithub.com/kubernetes/apimachinery/compare/v0.26.6...v0.26.7) [Compare Source](https://togithub.com/kubernetes/apimachinery/compare/v0.26.6...v0.26.7)

kubernetes/client-go (k8s.io/client-go)

### [`v0.26.7`](https://togithub.com/kubernetes/client-go/compare/v0.26.6...v0.26.7) [Compare Source](https://togithub.com/kubernetes/client-go/compare/v0.26.6...v0.26.7)

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[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

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[github-actions[bot]]

The following Docker Images have been built: keptncontrib/dynatrace-service:0.27.1-dev-PR-1012,keptncontrib/dynatrace-service:0.27.1-dev-PR-1012.202307250815