Fixed the type mismatch with a cast

Author: pierluigilenoci

helm/oauth2-proxy/templates/poddisruptionbudget.yaml

@@ -1,6 +1,6 @@
-{{- $replicaCount := .Values.replicaCount | default 1 }}
+{{- $replicaCount := .Values.replicaCount | default 1 | int }}
 {{- if .Values.autoscaling.enabled }}
-  {{- $replicaCount = .Values.autoscaling.minReplicas | default 1 }}
+  {{- $replicaCount = .Values.autoscaling.minReplicas | default 1 | int }}
 {{- end }}
 {{- if and .Values.podDisruptionBudget.enabled (gt $replicaCount 1) }}
 apiVersion: {{ include "capabilities.podDisruptionBudget.apiVersion" . }}