Merge pull request #43 from ballerina-platform/automated/lang_version_update

[Automated] Update lang version to  bdd55df1

Author: manuranga

gradle.properties

@@ -1,4 +1,4 @@
 org.gradle.caching=true
 group=org.ballerinalang
 version=0.7.0-alpha7-SNAPSHOT
-ballerinaLangVersion=2.0.0-alpha7-20210402-204000-43beac8a
+ballerinaLangVersion=2.0.0-alpha7-20210403-234900-bdd55df1