make dep only require nvim 0.8, and make the lazy utils better

lua/dep/log.lua

@@ -18,7 +18,7 @@ local function default_log_path()
     vim.loop.fs_mkdir(path, 0x1ff) -- 0777
   end
 
-  return vim.fs.joinpath(path, "/dep.log")
+  return vim.fs.normalize(path).."/dep.log"
 end
 
 --- attempt to format a string

lua/dep/package.lua

@@ -331,7 +331,7 @@ end
 --- set the base directory for packages
 ---@param _base_dir string base directory
 function package.set_base_dir(_base_dir)
-  base_dir = _base_dir
+  base_dir = vim.fs.normalize(_base_dir)
 end
 
 --- get the base directory for packages