Update dependency com.h2database:h2 to v2.4.240 (#285)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ junit = "5.13.4"
 spotless = "7.2.1"
 doma-codegen = "3.2.1"
 doma-compile = "4.0.2"
-h2 = "2.3.232"
+h2 = "2.4.240"
 logback = "1.5.18"
 ktlint = "1.1.1"