Merge pull request #40 from ballerina-platform/release-0.7.0-alpha6

[Automated] Sync main after 0.7.0-alpha6 release

Author: niveathika

gradle.properties

@@ -1,4 +1,4 @@
 org.gradle.caching=true
 group=org.ballerinalang
-version=0.7.0-alpha6-SNAPSHOT
+version=0.7.0-alpha7-SNAPSHOT
 ballerinaLangVersion=2.0.0-alpha7-20210401-134600-b81b388b