Fix 3.7.1 upgrade script to run multiple times

application/src/main/data/upgrade/3.7.0/schema_update.sql

@@ -19,15 +19,15 @@
 CREATE SEQUENCE IF NOT EXISTS attribute_kv_version_seq cache 1;
 CREATE SEQUENCE IF NOT EXISTS ts_kv_latest_version_seq cache 1;
 
-ALTER TABLE attribute_kv ADD COLUMN version bigint default 0;
-ALTER TABLE ts_kv_latest ADD COLUMN version bigint default 0;
+ALTER TABLE attribute_kv ADD COLUMN IF NOT EXISTS version bigint default 0;
+ALTER TABLE ts_kv_latest ADD COLUMN IF NOT EXISTS version bigint default 0;
 
 -- KV VERSIONING UPDATE END
 
 -- RELATION VERSIONING UPDATE START
 
 CREATE SEQUENCE IF NOT EXISTS relation_version_seq cache 1;
-ALTER TABLE relation ADD COLUMN version bigint default 0;
+ALTER TABLE relation ADD COLUMN IF NOT EXISTS version bigint default 0;
 
 -- RELATION VERSIONING UPDATE END