Upgrade H2 to 2.4.240

The data type DATETIME seems to be no longer supported and got replaced by TIMESTAMP in all affected tests.

Closes #2142
See https://github.com/h2database/h2database/issues/4285

pom.xml

@@ -32,7 +32,7 @@
 		<!-- databases and jdbc drivers -->
 		<!-- note that these currently do not control the versions of databases used via Testcontainers for testing -->
 		<db2.version>12.1.2.0</db2.version>
-		<h2.version>2.3.232</h2.version>
+		<h2.version>2.4.240</h2.version>
 		<hikari.version>5.1.0</hikari.version>
 		<hsqldb.version>2.7.3</hsqldb.version>
 		<mariadb-java-client.version>3.5.5</mariadb-java-client.version>

spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.repository/JdbcRepositoryPropertyConversionIntegrationTests-h2.sql

@@ -1,2 +1,16 @@
-CREATE TABLE ENTITY_WITH_COLUMNS_REQUIRING_CONVERSIONS ( id_Timestamp DATETIME PRIMARY KEY, bool boolean, SOME_ENUM VARCHAR(100), big_Decimal DECIMAL(1025), big_Integer DECIMAL(20), date DATETIME, local_Date_Time DATETIME, zoned_Date_Time VARCHAR(30));
-CREATE TABLE ENTITY_WITH_COLUMNS_REQUIRING_CONVERSIONS_RELATION ( id_Timestamp DATETIME NOT NULL PRIMARY KEY, data VARCHAR(100));
+CREATE TABLE ENTITY_WITH_COLUMNS_REQUIRING_CONVERSIONS
+(
+    id_Timestamp    TIMESTAMP PRIMARY KEY,
+    bool            boolean,
+    SOME_ENUM       VARCHAR(100),
+    big_Decimal     DECIMAL(1025),
+    big_Integer     DECIMAL(20),
+    date            TIMESTAMP,
+    local_Date_Time TIMESTAMP,
+    zoned_Date_Time VARCHAR(30)
+);
+CREATE TABLE ENTITY_WITH_COLUMNS_REQUIRING_CONVERSIONS_RELATION
+(
+    id_Timestamp TIMESTAMP NOT NULL PRIMARY KEY,
+    data         VARCHAR(100)
+);