Bump h2 in /snippets/task-query-including-timeouts

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
...

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Author: dependabot[bot]

snippets/task-query-including-timeouts/pom.xml

@@ -102,7 +102,7 @@
       <!-- Needed for InMemoryH2Test -->
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>1.3.168</version>
+      <version>2.2.220</version>
       <scope>test</scope>
     </dependency>