Update kube requirement from 0.90.0 to 0.91.0

Updates the requirements on [kube](https://github.com/kube-rs/kube) to permit the latest version.
- [Release notes](https://github.com/kube-rs/kube/releases)
- [Changelog](https://github.com/kube-rs/kube/blob/main/CHANGELOG.md)
- [Commits](kube-rs/kube@0.90.0...0.91.0)

---
updated-dependencies:
- dependency-name: kube
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -18,7 +18,7 @@ data-encoding = "2.5.0"
 dirs = "5.0.1"
 json_comments = "0.2.2"
 k8s-openapi = { version = "0.21.1", default-features = false, features = ["schemars", "v1_28"] }
-kube = { version = "0.90.0", default-features = false, features = ["client", "runtime", "derive", "rustls-tls"] }
+kube = { version = "0.91.0", default-features = false, features = ["client", "runtime", "derive", "rustls-tls"] }
 notify = "6.1.1"
 oci-distribution = { version = "0.11.0", default-features = false, features = ["rustls-tls", "test-registry"] }
 schemars = "0.8.16"