require the map & union enabled version of schema-salad

Author: mr-c

cwl_utils/__meta__.py

@@ -1,3 +1,3 @@
 # SPDX-License-Identifier: Apache-2.0
 """Global version number for the cwl_utils package."""
-__version__ = "0.31"
+__version__ = "0.32"

requirements.txt

@@ -2,5 +2,5 @@ cwl-upgrader >= 1.2.3
 packaging
 rdflib
 requests
-schema-salad @ git+https://github.com/common-workflow-language/schema_salad.git@refs/pull/672/head
+schema-salad >= 8.5, < 9
 ruamel.yaml >= 0.17.6, < 0.19