Update WhatsApp detection

src/technologies/w.json

@@ -874,7 +874,7 @@
       52
     ],
     "description": "WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.",
-    "dom": "a[href*='api.whatsapp.com/send'], a[href*='wa.me/'], div[class*='wptwa-container'], a[href*='wa.link'][target='_blank']",
+    "dom": "a[href*='api.whatsapp.com/send'], a[href*='web.whatsapp.com/send'], a[href*='wa.me/'], div[class*='wptwa-container'], a[href*='wa.link'][target='_blank']",
     "icon": "WhatsApp.svg",
     "website": "https://www.whatsapp.com/business"
   },
@@ -1665,4 +1665,4 @@
     "url": "^https?://[^/]+\\.wpcache\\.co",
     "website": "https://wpcache.co"
   }
-}
+}