Bump h2 from 1.4.195 to 2.2.220 in /test/maven/src/it/hbm2java

Bumps [h2](https://github.com/h2database/h2database) from 1.4.195 to 2.2.220.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](h2database/h2database@version-1.4.195...version-2.2.220)

---
updated-dependencies:
- dependency-name: com.h2database:h2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

test/maven/src/it/hbm2java/pom.xml

@@ -13,7 +13,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
         <java.version>1.8</java.version>
-        <h2.version>1.4.195</h2.version>
+        <h2.version>2.2.220</h2.version>
     </properties>
 
     <build>