pg_upgrade: Fix version comparison for global ICU support

Reported-by: Justin Pryzby <pryzby@telsasoft.com>
Discussion: https://www.postgresql.org/message-id/20220625151930.GH22452@telsasoft.com

src/bin/pg_upgrade/info.c

@@ -319,7 +319,7 @@ get_db_infos(ClusterInfo *cluster)
 
 	snprintf(query, sizeof(query),
 			 "SELECT d.oid, d.datname, d.encoding, d.datcollate, d.datctype, ");
-	if (GET_MAJOR_VERSION(old_cluster.major_version) <= 1500)
+	if (GET_MAJOR_VERSION(old_cluster.major_version) < 1500)
 		snprintf(query + strlen(query), sizeof(query) - strlen(query),
 				 "'c' AS datlocprovider, NULL AS daticulocale, ");
 	else