chore(t8s-cluster/dependencies): update docker.io/bitnami/kubectl docker tag to v1.31.0

Author: renovate[bot]

charts/t8s-cluster/values.yaml

@@ -24,7 +24,7 @@ global:
     image:
       registry: docker.io
       repository: bitnami/kubectl
-      tag: 1.29.6@sha256:6f94559782d5a9309b10bc3f728ad6b19642a4f9dfc46de73ba198b059d4299b
+      tag: 1.31.0@sha256:44f99aa45e3410dae8e288f43800daa8a1bdb4cac204dad1de59c94f9c999bde
   injectedCertificateAuthorities: ""
   kubeletExtraConfig:
     # This is only used when using 1.27 or later