Bump h2 from 2.1.210 to 2.2.220 in /endtoendtests (#719)

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
...

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endtoendtests/pom.xml

@@ -82,7 +82,7 @@
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
-			<version>2.1.210</version>
+			<version>2.2.220</version>
 			<scope>runtime</scope>
 		</dependency>
 		<dependency>