Delegate detection of the database version to the Hibernate ORM dialect

Because some dialects have very specific ways of detecting the version,
such as running some SQL, that work better than asking the JDBC driver.

extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/service/QuarkusRuntimeInitDialectFactory.java

@@ -99,15 +99,14 @@ public void checkActualDbVersion() {
  }
 
  private Optional<DatabaseVersion> retrieveDbVersion(DialectResolutionInfoSource resolutionInfoSource) {
- var databaseMetadata = resolutionInfoSource == null ? null
- : resolutionInfoSource.getDialectResolutionInfo().getDatabaseMetadata();
- if (databaseMetadata == null) {
+ var resolutionInfo = resolutionInfoSource == null ? null
+ : resolutionInfoSource.getDialectResolutionInfo();
+ if (resolutionInfo == null) {
  return Optional.empty();
  }
  try {
  triedToRetrieveDbVersion = true;
- return Optional.of(DatabaseVersion.make(databaseMetadata.getDatabaseMajorVersion(),
- databaseMetadata.getDatabaseMinorVersion()));
+ return Optional.of(dialect.determineDatabaseVersion(resolutionInfo));
  } catch (RuntimeException | SQLException e) {
  LOG.warnf(e, "Persistence unit %1$s: Could not retrieve the database version to check it is at least %2$s",
  persistenceUnitName, buildTimeDbVersion);