Bump com.h2database:h2 from 1.3.176 to 2.2.224

Bumps [com.h2database:h2](https://github.com/h2database/h2database) from 1.3.176 to 2.2.224.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](https://github.com/h2database/h2database/commits/version-2.2.224)

---
updated-dependencies:
- dependency-name: com.h2database:h2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

grails-datastore-gorm/build.gradle

@@ -10,7 +10,7 @@ dependencies {
     compileOnly "org.springframework:spring-jdbc:$springVersion"
     compileOnly "org.springframework:spring-web:$springVersion"
     testCompile "org.springframework:spring-jdbc:$springVersion"
-    testRuntime 'com.h2database:h2:1.3.176'
+    testRuntime 'com.h2database:h2:2.2.224'
 
     testCompile("org.hibernate:hibernate-validator:$hibernateValidatorVersion")
 }