fix: replace get_config() with .values due to octo changing api

Finally figured out the source of the problem. This commit 7b292e1 was pushed to account for GH Enterprise but Octo default settings leaves this blank. This fix accounts for that as well.

ref: petertriho#53

lua/cmp_git/utils.lua

@@ -72,7 +72,10 @@ M.get_git_info = function(remotes, opts)
         local host, owner, repo = nil, nil, nil
 
         if vim.bo.filetype == "octo" then
-            host = require("octo.config").get_config().github_hostname
+            host = require("octo.config").values.github_hostname or ""
+            if host == "" then
+                host = "github.com"
+            end
             local filename = vim.fn.expand("%:p:h")
             owner, repo = string.match(filename, "^octo://(.+)/(.+)/.+$")
         else
@@ -116,11 +119,6 @@ M.get_git_info = function(remotes, opts)
         git_info = get_git_info()
     end
 
-    if (git_info.host or "") == "" then
-        -- fallback to github.com
-        git_info.host = "github.com"
-    end
-
     return git_info
 end