Update pom.xml

apm-sniffer/apm-sdk-plugin/hystrix-1.x-plugin/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>apm-sdk-plugin</artifactId>
         <groupId>org.apache.skywalking</groupId>
-        <version>5.0.0-alpha</version>
+        <version>5.0.0-alpha-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -21,4 +21,4 @@
         </dependency>
     </dependencies>
 
-</project>
\ No newline at end of file
+</project>