Bump datumaro up to 1.4.0rc2 (#2332)

bump datumaro up to 1.4.0rc2

Author: yunchu

requirements/base.txt

@@ -4,7 +4,7 @@ natsort>=6.0.0
 prettytable
 protobuf>=3.20.0
 pyyaml
-datumaro==1.4.0rc1
+datumaro==1.4.0rc2
 psutil
 scipy>=1.8
 bayesian-optimization>=1.2.0