Update Google Maps API key in index.html (#849)

It works better if you use the right API key.

Author: willum070

samples/web-components-map/index.html

@@ -29,7 +29,7 @@
       for more information.
       -->
     <script
-      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&libraries=maps,marker&v=weekly"
+      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8&libraries=maps,marker&v=weekly"
       defer
     ></script>
   </body>