Experiment with TypedDict in CWL types

This commit checks that the new `TypedDict` type aliases specified in
cwl-utils with PR common-workflow-language/cwl-utils#393 do not break
anything in the cwltool type system.

Author: GlassOfWhiskey

requirements.txt

@@ -9,6 +9,6 @@ coloredlogs
 pydot>=1.4.1
 argcomplete>=1.12.0
 pyparsing!=3.0.2  # breaks --print-dot (pydot) https://github.com/pyparsing/pyparsing/issues/319
-cwl-utils>=0.32
+cwl-utils @ git+https://github.com/common-workflow-language/cwl-utils.git@refs/pull/393/head
 spython>=0.3.0
 rich-argparse