update 0.7.0 version

Signed-off-by: Zhiru Zhu <zzhu@fandm.edu>

examples/pom.xml

@@ -63,7 +63,7 @@
         <dependency>
             <groupId>io.milvus</groupId>
             <artifactId>milvus-sdk-java</artifactId>
-            <version>0.7.0-SNAPSHOT</version>
+            <version>0.7.0</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>