Merge pull request #311 from ballerina-platform/automated/dependency_version_update

[AUTO MERGE] Update Dependencies (Ballerina Lang : 2.0.0-beta.6-20211211-193900-8a474932)

Author: ballerina-bot

gradle.properties

@@ -2,7 +2,7 @@ org.gradle.caching=true
 group=io.ballerina.stdlib
 version=1.1.0-SNAPSHOT
 
-ballerinaLangVersion=2.0.0-beta.6-20211209-233400-8dc3b9ae
+ballerinaLangVersion=2.0.0-beta.6-20211211-193900-8a474932
 
 ballerinaGradlePluginVersion=0.14.1
 testngVersion=6.14.3