Update examples

examples/pom.xml

@@ -25,7 +25,7 @@
 
     <groupId>io.milvus</groupId>
     <artifactId>milvus-sdk-java-examples</artifactId>
-    <version>0.2.2</version>
+    <version>0.3.0</version>
     <build>
         <plugins>
             <plugin>
@@ -44,6 +44,20 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <!--  For development use  -->
+    <repositories>
+        <repository>
+            <id>oss.sonatype.org-snapshot</id>
+            <url>http://oss.sonatype.org/content/repositories/snapshots</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
     <dependencies>
         <dependency>
             <groupId>io.milvus</groupId>