fix(cache): wrong .git path

Author: rewhile

lua/github-theme/init.lua

@@ -94,7 +94,7 @@ M.setup = function(opts)
   local cached_path = util.join_paths(config.options.compile_path, 'cache')
   local cached = read_file(cached_path)
 
-  local git_path = util.join_paths(debug.getinfo(1).source:sub(2, -23), '.git')
+  local git_path = util.join_paths(debug.getinfo(1).source:sub(2, -27), '.git')
   local git = vim.fn.getftime(git_path)
   local hash = require('github-theme.lib.hash')(opts) .. (git == -1 and git_path or git)