nvim: plugins: Use our own fork of gitlinker

We want a fix and the author seems to be inactive, so use our own
fork with the patch applied till the upstream author becomes active
again.

nvim/.config/nvim/lua/plugins.lua

@@ -24,7 +24,7 @@ local init = function ()
   -- Git support
   use 'lewis6991/gitsigns.nvim'
   use 'tpope/vim-fugitive'
-  use 'ruifm/gitlinker.nvim'
+  use 'https://github.com/SanchayanMaity/gitlinker.nvim'
   use 'whiteinge/diffconflicts'
   -- Boost vim command line mode
   use 'vim-utils/vim-husk'