fix our logo in npm (#5373)

Author: boutell

packages/apostrophe/README.md

@@ -1,6 +1,6 @@
 <div align="center">
   <a href="https://github.com/apostrophecms/apostrophe">
-    <img src="logo.svg" alt="ApostropheCMS logo" width="80" height="80">
+    <img src="https://static.apostrophecms.com/apostrophecms/apostrophe/logo.svg" alt="ApostropheCMS logo" width="80" height="80">
   </a>
 
   <h1>ApostropheCMS</h1>
@@ -139,4 +139,4 @@ ApostropheCMS is open source software licensed under the [MIT License](https://g
   <p>
     <em>Built with ❤️ by the <a href="https://apostrophecms.com">ApostropheCMS team</a></em>
   </p>
-</div>
+</div>