Removed deprecated options in 'lua_gc'

Options 'setpause' and 'setstepmul' were deprecated in Lua 5.4.

testes/gc.lua

@@ -27,23 +27,18 @@ end
 
 -- test weird parameters to 'collectgarbage'
 do
-  -- save original parameters
-  local a = collectgarbage("setpause", 200)
-  local b = collectgarbage("setstepmul", 200)
   local t = {0, 2, 10, 90, 500, 5000, 30000, 0x7ffffffe}
   for i = 1, #t do
     local p = t[i]
     for j = 1, #t do
       local m = t[j]
-      collectgarbage("setpause", p)
-      collectgarbage("setstepmul", m)
+      collectgarbage("incremental", p, m)
       collectgarbage("step", 0)
       collectgarbage("step", 10000)
     end
   end
   -- restore original parameters
-  collectgarbage("setpause", a)
-  collectgarbage("setstepmul", b)
+  collectgarbage("incremental", 200, 300)
   collectgarbage()
 end