chore(): updated newsletter service

Author: Tony133

src/app/homepage/newsletter/services/newsletter.service.ts

@@ -1,18 +1,19 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
-import { EMPTY } from 'rxjs';
+import { EMPTY, lastValueFrom } from 'rxjs';
 import { catchError } from 'rxjs/operators';
 
 @Injectable({ providedIn: 'root' })
 export class NewsletterService {
   constructor(private readonly httpClient: HttpClient) {}
 
-  addToNewsletter(email: string): Promise<any> {
+  async addToNewsletter(email: string): Promise<any> {
     const newsletterUrl =
       'https://z93f42xq2l.execute-api.us-east-2.amazonaws.com/Stage/newsletter?token=db1f899025b5a59a76b6b34b2a013893';
-    return this.httpClient
-      .post(newsletterUrl, { email })
-      .pipe(catchError(() => EMPTY ))
-      .toPromise();
+    return await lastValueFrom(
+      this.httpClient
+        .post(newsletterUrl, { email })
+        .pipe(catchError(() => EMPTY)),
+    );
   }
 }