Bump h2 from 1.4.178 to 2.0.206 in /openig-core (OpenIdentityPlatform#25

)

Bumps [h2](https://github.com/h2database/h2database) from 1.4.178 to 2.0.206.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](h2database/h2database@version-1.4.178...version-2.0.206)

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

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openig-core/pom.xml

@@ -69,7 +69,7 @@
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>1.4.178</version>
+      <version>2.0.206</version>
       <scope>test</scope>
     </dependency>
     <dependency>