feat(deps): update celo dependencies

| datasource | package                    | from    | to      |
| ---------- | -------------------------- | ------- | ------- |
| docker     | busybox                    | 1.34.0  | 1.36.1  |
| docker     | lachlanevenson/k8s-kubectl | v1.21.3 | v1.25.4 |
| docker     | us.gcr.io/celo-org/geth    | v0.0.0  | 1.8.4   |

Author: renovate-41e06b0f[bot]

charts/celo/values.yaml

@@ -10,7 +10,7 @@ image:
   pullPolicy: IfNotPresent
   # -- Overrides the image tag
   # @default -- Chart.appVersion
-  tag: "v0.0.0"
+  tag: "1.8.4"
 
 # -- Pull secrets required to fetch the Image
 imagePullSecrets: []
@@ -147,7 +147,7 @@ celo:
         # -- 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
 
@@ -158,6 +158,6 @@ celo:
       # -- Container repository
       repository: busybox
       # -- Container tag
-      tag: "1.34.0"
+      tag: "1.36.1"
       # -- Container pull policy
       pullPolicy: IfNotPresent