docs: use google favicon service for tldraw, tanstack, optinmonster logos

Author: miguel-heygen

docs/community/adopters.mdx

@@ -27,21 +27,21 @@ If you'd rather not be listed publicly, we'd still love to hear about your usage
     [@jrusso1020](https://github.com/jrusso1020)
   </Card>
   <Card title="tldraw" href="https://tldraw.com">
-    <img src="https://tldraw.com/apple-touch-icon.png" width="48" height="48" style={{borderRadius: "10px", marginBottom: "12px"}} />
+    <img src="https://www.google.com/s2/favicons?domain=tldraw.com&sz=128" width="48" height="48" style={{borderRadius: "10px", marginBottom: "12px"}} />
 
     Generates automated pull-request walkthrough videos with GSAP-animated code diffs, narration, and captions.
 
     [@steveruizok](https://github.com/steveruizok)
   </Card>
   <Card title="TanStack" href="https://tanstack.com">
-    <img src="https://tanstack.com/apple-touch-icon.png" width="48" height="48" style={{borderRadius: "10px", marginBottom: "12px"}} />
+    <img src="https://www.google.com/s2/favicons?domain=tanstack.com&sz=128" width="48" height="48" style={{borderRadius: "10px", marginBottom: "12px"}} />
 
     Exploring HyperFrames for video content and documentation.
 
     [@AlemTuzlak](https://github.com/AlemTuzlak)
   </Card>
   <Card title="OptinMonster" href="https://optinmonster.com">
-    <img src="https://cdn.optinmonster.com/wp-content/uploads/2024/05/cropped-archie-1-180x180.png" width="48" height="48" style={{borderRadius: "10px", marginBottom: "12px"}} />
+    <img src="https://www.google.com/s2/favicons?domain=optinmonster.com&sz=128" width="48" height="48" style={{borderRadius: "10px", marginBottom: "12px"}} />
 
     Exploring HyperFrames for marketing and product video content.