[voltdb] update to latest voltdb release. (#1402)

pom.xml

@@ -149,7 +149,7 @@ LICENSE file.
     <thrift.version>0.8.0</thrift.version>
     <voldemort.version>0.81</voldemort.version>
     <tablestore.version>4.8.0</tablestore.version>
-    <voltdb.version>9.1.1</voltdb.version>
+    <voltdb.version>10.1.1</voltdb.version>
   </properties>
 
   <modules>

voltdb/pom.xml

@@ -60,13 +60,13 @@
 		<dependency>
 			<groupId>org.voltdb</groupId>
 			<artifactId>voltdbclient</artifactId>
-			<version>9.1.1</version>
+			<version>${voltdb.version}</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.voltdb/voltdb -->
 		<dependency>
 			<groupId>org.voltdb</groupId>
 			<artifactId>voltdb</artifactId>
-			<version>9.1.1</version>
+			<version>${voltdb.version}</version>
 			<scope>provided</scope>
 		</dependency>
 	</dependencies>