refactor(core): Remove linting exceptions in nodes-base (no-changelog) (#4944)

packages/nodes-base/nodes/Slack/GenericFunctions.ts

@@ -20,12 +20,11 @@ export async function slackApiRequest(
 	query: object = {},
 	headers: IDataObject | undefined = undefined,
 	option: IDataObject = {},
-	// tslint:disable-next-line:no-any
 ): Promise<any> {
 	const authenticationMethod = this.getNodeParameter('authentication', 0, 'accessToken') as string;
 	let options: OptionsWithUri = {
 		method,
-		headers: headers || {
+		headers: headers ?? {
 			'Content-Type': 'application/json; charset=utf-8',
 		},
 		body,