Bump com.h2database:h2

Bumps the maven group with 1 update in the /modules/org.restlet.tutorial.webapi directory: [com.h2database:h2](https://github.com/h2database/h2database).


Updates `com.h2database:h2` from 1.4.181 to 2.2.220
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](h2database/h2database@version-1.4.181...version-2.2.220)

---
updated-dependencies:
- dependency-name: com.h2database:h2
  dependency-version: 2.2.220
  dependency-type: direct:production
  dependency-group: maven
...

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

Author: dependabot[bot]

modules/org.restlet.tutorial.webapi/pom.xml

@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>1.4.181</version>
+            <version>2.2.220</version>
         </dependency>
 	</dependencies>