Bump h2 from 2.1.214 to 2.2.220 in /johnzon-mapper (#108)

Bumps [h2](https://github.com/h2database/h2database) from 2.1.214 to 2.2.220.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](h2database/h2database@version-2.1.214...version-2.2.220)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

johnzon-mapper/pom.xml

@@ -63,7 +63,7 @@
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>2.1.214</version>
+      <version>2.2.220</version>
       <scope>test</scope>
     </dependency>
   </dependencies>