Merge 'upstream' nvim-lspconfig cmp-nvim-lsp, treesitter prefer_git

Add explicit dependency of nvim-lspconfig on cmp-nvim-lsp
Remove treesitter prefer_git option

lua/kickstart/plugins/lspconfig.lua

@@ -25,6 +25,9 @@ return {
       -- Useful status updates for LSP.
       -- NOTE: `opts = {}` is the same as calling `require('fidget').setup({})`
       { 'j-hui/fidget.nvim', opts = {} },
+
+      -- Allows extra capabilities provided by nvim-cmp
+      'hrsh7th/cmp-nvim-lsp',
     },
     config = function()
       -- Brief aside: **What is LSP?**