Bump h2 from 1.3.168 to 2.2.220 in /one-time-examples/invoice-en

Bumps [h2](https://github.com/h2database/h2database) from 1.3.168 to 2.2.220.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](https://github.com/h2database/h2database/commits/version-2.2.220)

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

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

one-time-examples/invoice-en/pom.xml

@@ -113,7 +113,7 @@
       <!-- Needed for InMemoryH2Test -->
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>1.3.168</version>
+      <version>2.2.220</version>
       <scope>test</scope>
     </dependency>