Update readiness-check to 2.0.0

Change-Id: I3477393d2ba98fe1d48561efc6991e88d8e03793
Issue-ID: OOM-1076
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/kubernetes/oof/values.yaml b/kubernetes/oof/values.yaml
index 57c159b..9f74271 100644
--- a/kubernetes/oof/values.yaml
+++ b/kubernetes/oof/values.yaml
@@ -18,7 +18,7 @@
 global:
   nodePortPrefix: 302
   readinessRepository: oomk8s
-  readinessImage: readiness-check:1.0.0
+  readinessImage: readiness-check:2.0.0
   loggingRepository: docker.elastic.co
   loggingImage: beats/filebeat:5.5.0
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