<fix>(build): use 3.7.0 sdk.

Author: kyonRay

build.gradle

@@ -11,7 +11,7 @@ println("Notice: current gradle version is " + gradle.gradleVersion)
 // Additional attribute definition
 ext {
     // jackson version
-    javaSDKVersion="3.7.0-SNAPSHOT"
+    javaSDKVersion="3.7.0"
     //solcJVersion = "0.4.25.1"
     //solcJVersion = "0.5.2.1"
     //solcJVersion = "0.6.10.1"