Release 0.12.0

Signed-off-by: Brian Zhou <[email protected]>

Author: crazyzhou

gradle.properties

@@ -26,8 +26,8 @@ slf4jApiVersion=1.7.25
 sparkVersion=3.3.0
 
 # Version and base tags can be overridden at build time.
-connectorVersion=0.12.0-SNAPSHOT
-pravegaVersion=0.12.0-3099.d57bc8b-SNAPSHOT
+connectorVersion=0.12.0
+pravegaVersion=0.12.0
 
 # flag to indicate if Pravega sub-module should be used instead of the version defined in 'pravegaVersion'
 usePravegaVersionSubModule=false