Build: Version to 4.0.0-beta1

Author: rozza

build.gradle

@@ -61,7 +61,7 @@ configure(coreProjects) {
 
     evaluationDependsOn(':util')
     group = 'org.mongodb'
-    version = '4.0.0-SNAPSHOT'
+    version = '4.0.0-beta1'
 
     repositories {
         mavenLocal()