refactor(#2787): suppress deprecated until 0.11

Author: alex-courtis

lua/nvim-tree/diagnostics.lua

@@ -41,7 +41,9 @@ local function from_nvim_lsp()
 
   local is_disabled = false
   if vim.fn.has "nvim-0.9" == 1 then
-    is_disabled = vim.diagnostic.is_disabled()
+    -- replacement is_enabled is not present in all 0.10 builds/releases, see #2781
+    -- wait until 0.11
+    is_disabled = vim.diagnostic.is_disabled() ---@diagnostic disable-line: deprecated
   end
 
   if not is_disabled then