fix(postgres): prevent crash if postgres connection emits multiple er…

…rors (#15867)

Co-authored-by: Rik Smale <13023439+WikiRik@users.noreply.github.com>

packages/core/src/dialects/postgres/connection-manager.ts

@@ -196,7 +196,7 @@ export class PostgresConnectionManager extends AbstractConnectionManager<PgConne
     });
 
     // Don't let a Postgres restart (or error) to take down the whole app
-    connection.once('error', error => {
+    connection.on('error', (error: any) => {
       connection._invalid = true;
       debug(`connection error ${error.code || error.message}`);
       void this.pool.destroy(connection);