fix: offset_encoding is required now

Adapt to the upstream change neovim/neovim@629483e

Author: rockyzhang24

lua/nvim-treesitter/textobjects/lsp_interop.lua

@@ -111,7 +111,10 @@ function M.peek_definition_code(query_string, query_group, lsp_request, context)
   if vim.tbl_contains(vim.api.nvim_list_wins(), floating_win) then
     vim.api.nvim_set_current_win(floating_win)
   else
-    local params = vim.lsp.util.make_position_params()
+    local win = vim.api.nvim_get_current_win()
+    local params = vim.fn.has("nvim-0.11") and function(client)
+      return vim.api.util.make_position_params(win, client.offset_encoding)
+    end or vim.lsp.util.make_position_params()
     return vim.lsp.buf_request(
       0,
       lsp_request,