fix: typo vim.api.util to vim.lsp.util (#742)

Author: carminecolucci

lua/nvim-treesitter/textobjects/lsp_interop.lua

@@ -114,7 +114,7 @@ function M.peek_definition_code(query_string, query_group, lsp_request, context)
     local win_id = vim.api.nvim_get_current_win()
     local params = vim.fn.has "nvim-0.11" == 0 and vim.lsp.util.make_position_params()
       or function(client)
-        return vim.api.util.make_position_params(win_id, client.offset_encoding)
+        return vim.lsp.util.make_position_params(win_id, client.offset_encoding)
       end
     return vim.lsp.buf_request(
       0,