fix: Set '@typescript-eslint/return-await' rule to 'always' for node code (no-changelog) (#8363)

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/nodes-base/nodes/MySql/v2/transport/index.ts

@@ -133,6 +133,6 @@ export async function createPool(
 				.connect(tunnelConfig);
 		});
 
-		return poolSetup;
+		return await poolSetup;
 	}
 }