fix(Postgres Node): Always return TIMESTAMP and TIMESTAMPZ as ISO string (#6145)

* fix(Postgres Node): Always return TIMESTAMP and TIMESTAMPZ as ISO string

* Fix linting issues

packages/nodes-base/nodes/Postgres/v2/actions/router.ts

@@ -17,6 +17,7 @@ export async function router(this: IExecuteFunctions): Promise<INodeExecutionDat
 
 	const credentials = await this.getCredentials('postgres');
 	const options = this.getNodeParameter('options', 0, {});
+	options.nodeVersion = this.getNode().typeVersion;
 
 	const { db, pgp, sshClient } = (await Connections.getInstance(
 		credentials,

packages/nodes-base/nodes/Postgres/v2/actions/versionDescription.ts

@@ -8,7 +8,7 @@ export const versionDescription: INodeTypeDescription = {
 	name: 'postgres',
 	icon: 'file:postgres.svg',
 	group: ['input'],
-	version: 2,
+	version: [2, 2.1],
 	subtitle: '={{ $parameter["operation"] }}',
 	description: 'Get, add and update data in Postgres',
 	defaults: {