update bigdl docker/k8s docker version to 2.0.0 (#4201)

Author: Le-Zheng

docker/bigdl-k8s/Dockerfile

@@ -3,7 +3,7 @@ ARG HADOOP_VERSION=2.7
 ARG SPARK_HOME=/opt/spark
 ARG JDK_VERSION=8u192
 ARG JDK_URL=your_jdk_url
-ARG BIGDL_VERSION=0.14.0-SNAPSHOT
+ARG BIGDL_VERSION=2.0.0
 ARG TINI_VERSION=v0.18.0
 ARG DEBIAN_FRONTEND=noninteractive
 

docker/bigdl/Dockerfile

@@ -18,7 +18,7 @@ ARG SPARK_VERSION=2.4.6
 ARG SPARK_HOME=/opt/spark
 ARG JDK_VERSION=8u192
 ARG JDK_URL=your_jdk_url
-ARG BIGDL_VERSION=0.14.0-SNAPSHOT
+ARG BIGDL_VERSION=2.0.0
 ARG DEBIAN_FRONTEND=noninteractive
 
 # stage.1 jdk & spark