ci(lazy): allow to use a different lazy plugin directory

lua/lazyvim/config/lazy.lua

@@ -9,9 +9,10 @@ if not vim.loop.fs_stat(lazypath) then
     lazypath,
   })
 end
-vim.opt.rtp:prepend(lazypath)
+vim.opt.rtp:prepend(vim.env.LAZY or lazypath)
 
-require("lazy").setup("plugins", {
+require("lazy").setup({
+  spec = "lazyvim.plugins",
   defaults = { lazy = true, version = "*" },
   install = { colorscheme = { "tokyonight", "habamax" } },
   checker = { enabled = true },