feat(deps): update nimbus dependencies

| datasource | package                    | from               | to                 |
| ---------- | -------------------------- | ------------------ | ------------------ |
| docker     | busybox                    | 1.34.0             | 1.36.1             |
| docker     | lachlanevenson/k8s-kubectl | v1.21.3            | v1.25.4            |
| docker     | statusim/nimbus-eth2       | multiarch-v22.12.0 | multiarch-v23.10.0 |

charts/nimbus/Chart.yaml

@@ -22,4 +22,4 @@ version: 0.3.0
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
 # renovate: image=statusim/nimbus-eth2
-appVersion: "multiarch-v22.12.0"
+appVersion: "multiarch-v23.10.0"

charts/nimbus/values.yaml

@@ -163,7 +163,7 @@ nimbus:
         # -- Container image to fetch nodeport information
         repository: lachlanevenson/k8s-kubectl
         # -- Container tag
-        tag: v1.21.3
+        tag: v1.25.4
         # -- Container pull policy
         pullPolicy: IfNotPresent
 
@@ -174,6 +174,6 @@ nimbus:
       # -- Container repository
       repository: busybox
       # -- Container tag
-      tag: "1.34.0"
+      tag: "1.36.1"
       # -- Container pull policy
       pullPolicy: IfNotPresent