chore(t8s-cluster/dependencies): update docker.io/bitnami/kubectl doc…

…ker tag to v1.29.4 (#872)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [docker.io/bitnami/kubectl](https://togithub.com/bitnami/containers)
([source](https://togithub.com/bitnami/containers/tree/HEAD/bitnami/kubectl))
| patch | `1.29.3` -> `1.29.4` |

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charts/t8s-cluster/values.yaml

@@ -24,7 +24,7 @@ global:
     image:
       registry: docker.io
       repository: bitnami/kubectl
-      tag: 1.29.3
+      tag: 1.29.4
   semver:
     image:
       registry: docker.io