TEST-#3708: use 'latest' tag for 'rayproject/ray' base Ray image (#3714)
TEST-#3708: use 'latest' tag for 'rayproject/ray' base Ray image (#3714)

Signed-off-by: Anatoly Myachev <891778d0bbe2d9c0eda4a6dbde77616e7f335abb@intel.com>
modin-project/modin,modin-project/modin