[prometheus-operator-admission-webhook] Update registry.k8s.io/ingress-nginx/kube-webhook-certgen Docker tag to v1.6.4 (#6279)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

charts/prometheus-operator-admission-webhook/Chart.yaml

@@ -2,7 +2,7 @@
 apiVersion: v2
 description: Prometheus Operator Admission Webhook
 name: prometheus-operator-admission-webhook
-version: 0.32.1
+version: 0.32.2
 # renovate: github=prometheus-operator/prometheus-operator
 appVersion: 0.86.1
 home: https://github.com/prometheus-operator/prometheus-operator

charts/prometheus-operator-admission-webhook/values.yaml

@@ -80,7 +80,7 @@ jobs:
   image:
     registry: registry.k8s.io
     repository: ingress-nginx/kube-webhook-certgen
-    tag: "v1.6.3"
+    tag: "v1.6.4"
     ## sha256 digest overrides tag
     # digest: 4d99688e557396f5baa150e019ff7d5b7334f9b9f9a8dab64038c5c2a006f6b5
     digest: ""