upgrade markdown-mode

Improves markdown-do to follow markdown links and [[WikiLinks]]

jrblevin/markdown-mode#666

Author: edrex

modules/lang/markdown/packages.el

@@ -1,7 +1,7 @@
 ;; -*- no-byte-compile: t; -*-
 ;;; lang/markdown/packages.el
 
-(package! markdown-mode :pin "862ae8addd29bf6affca1a35fd0176cb0c1392da")
+(package! markdown-mode :pin "c3c2f0d473a3f8ca8c4ffb2ecc094d5c3541769f")
 (package! markdown-toc :pin "3d724e518a897343b5ede0b976d6fb46c46bcc01")
 (package! edit-indirect :pin "bdc8f542fe8430ba55f9a24a7910639d4c434422")