fix(indent-rainbowline): Update indent-rainbowline to use new indent-blankline config (#1514)

* Update indent-rainbowline to use new indent-blankline config

See TheGLander/indent-rainbowline.nvim#5

* chore: update based on stylua feedback

Author: kevinCDW

lua/astrocommunity/indent/indent-rainbowline/init.lua

@@ -1,5 +1,6 @@
 return {
   "lukas-reineke/indent-blankline.nvim",
+  main = "ibl",
   opts = function(_, opts)
     return require("indent-rainbowline").make_opts(opts, require("astrocore").plugin_opts "indent-rainbowline.nvim")
   end,