[FIX] website: prevent warning on each google map snippet initialization

Some part of the google map API was deprecated and showed a warning
at each snippet redraw. Probably harmless but since the related API are
really capricious, best satisfy them as much as possible, even in
stable versions.

opw-2976261

Part-of: odoo/odoo#105072

addons/website/static/src/snippets/s_google_map/000.js

@@ -66,7 +66,7 @@ publicWidget.registry.GoogleMap = publicWidget.Widget.extend({
         map.setCenter(gps);
 
         // Update Map on screen resize
-        google.maps.event.addDomListener(window, 'resize', () => {
+        window.addEventListener('resize', () => {
             map.setCenter(gps);
         });