Update dependency com.h2database:h2 to v2.4.240 (#382)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ doma-core = { module = "org.seasar.doma:doma-core", version.ref = "doma" }
 doma-processor = { module = "org.seasar.doma:doma-processor", version.ref = "doma" }
 doma-slf4j = { module = "org.seasar.doma:doma-slf4j", version.ref = "doma" }
 
-jdbc-h2 = { module = "com.h2database:h2", version = "2.3.232" }
+jdbc-h2 = { module = "com.h2database:h2", version = "2.4.240" }
 jdbc-mysql = { module = "mysql:mysql-connector-java", version = "8.0.33" }
 jdbc-postgresql = { module = "org.postgresql:postgresql", version = "42.7.8" }