Update distant.nvim branch to v0.3

v2 branch is outdated. it does not work with the v0.20.0 cli

Author: Aceix

lua/astrocommunity/remote-development/distant-nvim/init.lua

@@ -1,6 +1,6 @@
 return {
   "chipsenkbeil/distant.nvim",
-  branch = "v0.2",
+  branch = "v0.3",
   cmd = {
     "DistantLaunch",
     "DistantOpen",