fix changelog

Author: mhils

CHANGELOG.md

@@ -8,7 +8,7 @@
   This prevents logical errors in code examples with imports.
   ([#740](https://github.com/mitmproxy/pdoc/pull/740), @mhils)
 - Add support for Python 3.13.
-  ([#740](https://github.com/mitmproxy/pdoc/pull/740), @mhils)
+  ([#730](https://github.com/mitmproxy/pdoc/pull/730), @mhils)
 - pdoc now strips `collections.abc.` from type annotations to make them more concise.
   ([#736](https://github.com/mitmproxy/pdoc/pull/736), @mhils)