Merge "Update upper constraints for python-keystoneclient"

Author: Zuul

upper-constraints.txt

@@ -527,7 +527,8 @@ sphinxcontrib-qthelp===2.0.0
 keystoneauth1===5.12.0
 statsd===4.0.1
 proto-plus===1.26.1
-python-keystoneclient===5.7.0
+python-keystoneclient===5.6.0;python_version=='3.9'
+python-keystoneclient===5.7.0;python_version>='3.10'
 diskimage-builder===3.39.0
 heat-translator===3.3.0
 python-magnumclient===4.9.0