chore: update project revision to 2.0.0-incubating in pom.xml (#790) (#791)

Author: psxjoy

pom.xml

@@ -55,7 +55,7 @@
     </modules>
 
     <properties>
-        <revision>2.0.0</revision>
+        <revision>2.0.0-incubating</revision>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
         <maven.compiler.target>1.8</maven.compiler.target>