longhorn: upgrade from 1.9.0 to 1.12.0 (with intermediate releases)

Change-Id: Ice8f4e8f7e073023ab274c83154d9368525f9231
diff --git a/charts/longhorn-1.11.2/templates/network-policies/webhook-network-policy.yaml b/charts/longhorn-1.11.2/templates/network-policies/webhook-network-policy.yaml
new file mode 100644
index 0000000..39d4ec2
--- /dev/null
+++ b/charts/longhorn-1.11.2/templates/network-policies/webhook-network-policy.yaml
@@ -0,0 +1,17 @@
+{{- if .Values.networkPolicies.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: longhorn-admission-webhook
+  namespace: {{ include "release_namespace" . }}
+spec:
+  podSelector:
+    matchLabels:
+      longhorn.io/admission-webhook: longhorn-admission-webhook
+  policyTypes:
+  - Ingress
+  ingress:
+  - ports:
+    - protocol: TCP
+      port: 9502
+{{- end }}