perf(tooling): Upgrade to TypeScript 4.8 (#4207)

* ⬆️ Upgrade to TypeScript 4.8

* 🔥 Remove unneeded setting

* 📦 Update `package-lock.json`

* ⏪ Restore `skipLibCheck`

* 📦 Re-update `package-lock.json`

* ♻️ Apply feedback

* ♻️ Add check to new WhatsApp node

* 📦 Update `package-lock.json`

* Update package-lock.json

* ran `npm run lintfix`

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

packages/core/src/NodeExecuteFunctions.ts

@@ -964,18 +964,16 @@ export async function requestOAuth2(
 	// Signs the request by adding authorization headers or query parameters depending
 	// on the token-type used.
 	const newRequestOptions = token.sign(requestOptions as clientOAuth2.RequestObject);
+	const newRequestHeaders = (newRequestOptions.headers = newRequestOptions.headers ?? {});
 	// If keep bearer is false remove the it from the authorization header
 	if (oAuth2Options?.keepBearer === false) {
-		// @ts-ignore
-		newRequestOptions?.headers?.Authorization =
+		newRequestHeaders.Authorization =
 			// @ts-ignore
-			newRequestOptions?.headers?.Authorization.split(' ')[1];
+			newRequestHeaders.Authorization.split(' ')[1];
 	}
 
-	// @ts-ignore
 	if (oAuth2Options?.keyToIncludeInAccessTokenHeader) {
-		Object.assign(newRequestOptions.headers, {
-			// @ts-ignore
+		Object.assign(newRequestHeaders, {
 			[oAuth2Options.keyToIncludeInAccessTokenHeader]: token.accessToken,
 		});
 	}
@@ -1030,10 +1028,8 @@ export async function requestOAuth2(
 				);
 				const refreshedRequestOption = newToken.sign(requestOptions as clientOAuth2.RequestObject);
 
-				// @ts-ignore
 				if (oAuth2Options?.keyToIncludeInAccessTokenHeader) {
-					Object.assign(newRequestOptions.headers, {
-						// @ts-ignore
+					Object.assign(newRequestHeaders, {
 						[oAuth2Options.keyToIncludeInAccessTokenHeader]: token.accessToken,
 					});
 				}
@@ -1108,6 +1104,7 @@ export async function requestOAuth2(
 
 			// Make the request again with the new token
 			const newRequestOptions = newToken.sign(requestOptions as clientOAuth2.RequestObject);
+			newRequestOptions.headers = newRequestOptions.headers ?? {};
 
 			// @ts-ignore
 			if (oAuth2Options?.keyToIncludeInAccessTokenHeader) {