Longhorn: Upgrade from 1.7.3 to 1.8.1

Change-Id: Ie2076df97ee3d00cbced65ad52888d3b467725d4
diff --git a/charts/longhorn-1.7.3/templates/services.yaml b/charts/longhorn-1.7.3/templates/services.yaml
new file mode 100644
index 0000000..4c8c6bc
--- /dev/null
+++ b/charts/longhorn-1.7.3/templates/services.yaml
@@ -0,0 +1,47 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels: {{- include "longhorn.labels" . | nindent 4 }}
+    app: longhorn-conversion-webhook
+  name: longhorn-conversion-webhook
+  namespace: {{ include "release_namespace" . }}
+spec:
+  type: ClusterIP
+  selector:
+    longhorn.io/conversion-webhook: longhorn-conversion-webhook
+  ports:
+  - name: conversion-webhook
+    port: 9501
+    targetPort: conversion-wh
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels: {{- include "longhorn.labels" . | nindent 4 }}
+    app: longhorn-admission-webhook
+  name: longhorn-admission-webhook
+  namespace: {{ include "release_namespace" . }}
+spec:
+  type: ClusterIP
+  selector:
+    longhorn.io/admission-webhook: longhorn-admission-webhook
+  ports:
+  - name: admission-webhook
+    port: 9502
+    targetPort: admission-wh
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels: {{- include "longhorn.labels" . | nindent 4 }}
+    app: longhorn-recovery-backend
+  name: longhorn-recovery-backend
+  namespace: {{ include "release_namespace" . }}
+spec:
+  type: ClusterIP
+  selector:
+    longhorn.io/recovery-backend: longhorn-recovery-backend
+  ports:
+  - name: recovery-backend
+    port: 9503
+    targetPort: recov-backend