Bump h2 from 2.1.210 to 2.2.220 in /src/test

Bumps [h2](https://github.com/h2database/h2database) from 2.1.210 to 2.2.220.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](h2database/h2database@version-2.1.210...version-2.2.220)

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

Signed-off-by: dependabot[bot] <[email protected]>

src/test/pom.xml

@@ -31,7 +31,7 @@
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>2.1.210</version>
+      <version>2.2.220</version>
     </dependency>
   </dependencies>
 </project>