sample: update h2 min version to silence github

Author: morgwai

sample/pom.xml

@@ -92,7 +92,7 @@
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
-			<version>[2.1.214,2.999.9999]</version>
+			<version>[2.2.220,2.999.9999]</version>
 			<scope>runtime</scope>
 		</dependency>
 	</dependencies>