chore(use-package): use :preface in favor of :init when defining things

modules/version-control/siren-diff-hl.el

@@ -27,7 +27,7 @@
      (unknown . "?")
      (ignored . "i")))
 
-  :init
+  :preface
   (defun siren-turn-on-diff-hl-mode ()
     (turn-on-diff-hl-mode)
     (diff-hl-flydiff-mode 1))

modules/version-control/siren-forge.el

@@ -35,7 +35,7 @@
   :hook
   (forge-post-mode . siren-forge-post-mode-setup)
 
-  :init
+  :preface
   (defun siren-forge-post-mode-setup ()
     (setq-local prettier-js-args '("--parser" "markdown"
                                    "--print-width" "80"

modules/version-control/siren-git-timemachine.el

@@ -8,7 +8,7 @@
 
 (use-package git-timemachine
   :defer t
-  :init
+  :preface
   (defalias 'gt 'git-timemachine))
 
 (provide 'siren-git-timemachine)

modules/version-control/siren-magit.el

@@ -37,7 +37,7 @@
   (magit-revert-buffers 'silent)
   (magit-status-buffer-switch-function 'switch-to-buffer)
 
-  :init
+  :preface
   (defalias 'bl 'magit-blame)
 
   (defun siren-magit-mode-setup ())
@@ -75,7 +75,7 @@
   (magit-delta-default-light-theme "OneHalfLight")
   (siren-magit-delta-enabled nil)
 
-  :init
+  :preface
   (defgroup siren-magit-delta nil
     "Siren specific options for magit-delta."
     :group 'magit-delta)