fix: "UrlPattern" to "urlPattern" (higress-group#525)

Author: NorthernBob

helm/templates/deployment.yaml

@@ -72,7 +72,7 @@ spec:
               value: "{{ .Values.swagger.enabled }}"
             {{- if and .Values.global.enablePluginServer (not (hasKey .Values.podEnvs "HIGRESS_ADMIN_WASM_PLUGIN_CUSTOM_IMAGE_URL_PATTERN"))}}
             - name: HIGRESS_ADMIN_WASM_PLUGIN_CUSTOM_IMAGE_URL_PATTERN
-              value: "{{ .Values.pluginServer.UrlPattern }}"
+              value: "{{ .Values.pluginServer.urlPattern }}"
             {{- end }}
             {{- if .Values.podEnvs }}
             {{- range $key, $val := .Values.podEnvs }}

helm/values.yaml

@@ -129,4 +129,4 @@ pvc:
   __placeholder__: true
 
 pluginServer:
-  UrlPattern: "http://higress-plugin-server.higress-system.svc/plugins/${name}/${version}/plugin.wasm"
+  urlPattern: "http://higress-plugin-server.higress-system.svc/plugins/${name}/${version}/plugin.wasm"