[stable/prometheus-operator]: Fix typo in Helm hook (#22247)

Fix a small typo in Helm crd hook.

Signed-off-by: Markos Chandras <markos@chandras.me>

stable/prometheus-operator/Chart.yaml

@@ -12,7 +12,7 @@ sources:
   - https://github.com/coreos/kube-prometheus
   - https://github.com/coreos/prometheus-operator
   - https://coreos.com/operators/prometheus
-version: 8.13.5
+version: 8.13.6
 appVersion: 0.38.1
 tillerVersion: ">=2.12.0"
 home: https://github.com/coreos/prometheus-operator

stable/prometheus-operator/crds/crd-thanosrulers.yaml

@@ -4,7 +4,7 @@ kind: CustomResourceDefinition
 metadata:
   annotations:
     controller-gen.kubebuilder.io/version: v0.2.4
-    helm.sh/hook: crd-instal
+    helm.sh/hook: crd-install
   creationTimestamp: null
   name: thanosrulers.monitoring.coreos.com
 spec: