fix: deprecated calls to vim.validate (#434)

* Fix deprecated calls to vim.validate

* Added check to determine which format to use for validate

---------

Co-authored-by: Mark Sommers <mark_sommers@apple.com>

Author: marks0mmers

lua/dapui/config/init.lua

@@ -150,11 +150,17 @@ local user_config = default_config
 local function fill_elements(area)
   area = vim.deepcopy(area)
   local filled = {}
-  vim.validate({
-    size = { area.size, "number" },
-    elements = { area.elements, "table" },
-    position = { area.position, "string" },
-  })
+  if vim.fn.has("nvim-0.11") then
+    vim.validate("size", area.size, "number")
+    vim.validate("elements", area.elements, "table")
+    vim.validate("position", area.position, "string")
+  else
+    vim.validate({
+      size = { area.size, "number" },
+      elements = { area.elements, "table" },
+      position = { area.position, "string" },
+    })
+  end
   for i, element in ipairs(area.elements) do
     if type(element) == "string" then
       filled[i] = { id = element, size = 1 / #area.elements }