chore(base-cluster/dependencies): update docker.io/bitnami/kubectl do…

…cker tag to v1.29.8 (#1060)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [docker.io/bitnami/kubectl](https://github.com/bitnami/containers)
([source](https://github.com/bitnami/containers/tree/HEAD/bitnami/kubectl))
| patch | `1.29.6` -> `1.29.8` |

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charts/base-cluster/values.yaml

@@ -73,7 +73,7 @@ global:
     image:
       registry: docker.io
       repository: bitnami/kubectl
-      tag: 1.29.6@sha256:6f94559782d5a9309b10bc3f728ad6b19642a4f9dfc46de73ba198b059d4299b
+      tag: 1.29.8@sha256:c466c706c2389e9c5e413994fda715e6f950e8f6cd1f8e29aa258def23f75b6e
   flux:
     image:
       registry: docker.io