fix(checker): allow git checks only for non-pinned plugins (#61)

lua/lazy/manage/checker.lua

@@ -16,7 +16,7 @@ end
 
 function M.fast_check()
   for _, plugin in pairs(Config.plugins) do
-    if plugin._.installed then
+    if not plugin.pin and plugin._.installed then
       plugin._.has_updates = nil
       local info = Git.info(plugin.dir)
       local ok, target = pcall(Git.get_target, plugin)

lua/lazy/manage/task/git.lua

@@ -8,6 +8,9 @@ local M = {}
 M.log = {
   ---@param opts {updated?:boolean, check?: boolean}
   skip = function(plugin, opts)
+    if opts.check and plugin.pin then
+      return true
+    end
     if opts.updated and not (plugin._.updated and plugin._.updated.from ~= plugin._.updated.to) then
       return true
     end