docs: add testimonial about phone call with voice

Author: steipete

src/data/testimonials.json

@@ -44,6 +44,11 @@
     "author": "Infoxicador",
     "url": "https://x.com/Infoxicador/status/2009422796464771522"
   },
+  {
+    "quote": "My @clawdbot just called my phone and spoke to me with an aussie accent from @elevenlabsio. This is ridiculous",
+    "author": "mirthtime",
+    "url": "https://x.com/mirthtime/status/2011134300561830342"
+  },
   {
     "quote": "I'm having a lot of fun with this and it's going to totally change the way I support my students learning how to vibe code!",
     "author": "iamjohnellison",