rc/SIENTIAPDE-2173- fix: add missing metadata_id column to e2e/db_schema.sql

e2e/db_schema.sql

@@ -40,6 +40,7 @@ CREATE TABLE IF NOT EXISTS sientia_data.predictions (
     "timestamp"           timestamptz NOT NULL,
     created_at            timestamptz DEFAULT CURRENT_TIMESTAMP NOT NULL,
     "comments"            text NULL,
+    metadata_id           varchar(24) NULL,
     CONSTRAINT unique_model_id_timestamp
         UNIQUE (model_id, "timestamp")
 );