build(deps): bump k8s.io/client-go from 0.26.2 to 0.26.3

Bumps [k8s.io/client-go](https://github.com/kubernetes/client-go) from 0.26.2 to 0.26.3.
- [Release notes](https://github.com/kubernetes/client-go/releases)
- [Changelog](https://github.com/kubernetes/client-go/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kubernetes/client-go/compare/v0.26.2...v0.26.3

)

---
updated-dependencies:
- dependency-name: k8s.io/client-go
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>