refactor(core): Remove linting exceptions in nodes-base (#4794)

* ⚡ enabled array-type

* ⚡ await-thenable on

* ⚡ ban-types on

* ⚡ default-param-last on

* ⚡ dot-notation on

* ⚡ member-delimiter-style on

* ⚡ no-duplicate-imports on

* ⚡ no-empty-interface on

* ⚡ no-floating-promises on

* ⚡ no-for-in-array on

* ⚡ no-invalid-void-type on

* ⚡ no-loop-func on

* ⚡ no-shadow on

* ⚡ ban-ts-comment re enabled

* ⚡ @typescript-eslint/lines-between-class-members on

* address my own comment

* @typescript-eslint/return-await on

* @typescript-eslint/promise-function-async on

* @typescript-eslint/no-unnecessary-boolean-literal-compare on

* @typescript-eslint/no-unnecessary-type-assertion on

* prefer-const on

* @typescript-eslint/prefer-optional-chain on

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

packages/nodes-base/nodes/Postgres/Postgres.node.ts

@@ -277,6 +277,7 @@ export class Postgres implements INodeType {
 			},
 		],
 	};
+
 	methods = {
 		credentialTest: {
 			async postgresConnectionTest(
@@ -305,7 +306,7 @@ export class Postgres implements INodeType {
 
 					const db = pgp(config);
 					await db.connect();
-					await pgp.end();
+					pgp.end();
 				} catch (error) {
 					return {
 						status: 'Error',
@@ -394,7 +395,7 @@ export class Postgres implements INodeType {
 
 			returnItems = this.helpers.returnJsonArray(updateItems);
 		} else {
-			await pgp.end();
+			pgp.end();
 			throw new NodeOperationError(
 				this.getNode(),
 				`The operation "${operation}" is not supported!`,
@@ -402,7 +403,7 @@ export class Postgres implements INodeType {
 		}
 
 		// Close the connection
-		await pgp.end();
+		pgp.end();
 
 		return this.prepareOutputData(returnItems);
 	}