Revert to stable version of magit, temporarily

Magit introduced some breaking changes in a recent commit that breaks
evil-magit and magithub. Magithub appears to be migrating to forge, so
until evil-magit has updated and I've properly replaced magithub with
forge, we'll use an earlier version of magit instead.

modules/tools/magit/config.el

@@ -99,6 +99,7 @@ what features are available.")
       "gj" #'git-rebase-move-line-down
       "gk" #'git-rebase-move-line-up)))
 
+
 (def-package! forge
   :when (featurep! :tools magit +forge)
   :after magit

modules/tools/magit/packages.el

@@ -1,7 +1,14 @@
 ;; -*- no-byte-compile: t; -*-
 ;;; tools/magit/packages.el
 
-(when (package! magit)
+;; Magit introduced some breaking changes in a recent commit that breaks
+;; evil-magit and magithub.
+;; TODO Once those packages have updated, we'll go back to tracking magit HEAD
+(when (package! magit :recipe
+        (:fetcher github
+         :repo "magit/magit"
+         :commit "78114e6425d5e7d6eaa7712c845f28694aa7faeb"
+         :files ("lisp/magit" "lisp/magit*.el" "lisp/git-rebase.el")))
   (package! magit-gitflow)
   (if (featurep! +forge)
       (package! forge)