fix(deps): update python packages

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jsonschema (changelog)	4.18.6 -> 4.19.0
jsonschema (changelog)	==4.18.6 -> ==4.19.0
openstacksdk	1.3.1 -> 1.4.0
openstacksdk	==1.3.1 -> ==1.4.0

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Release Notes

python-jsonschema/jsonschema (jsonschema)

v4.19.0

Compare Source

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• Importing the Validator protocol directly from the package root is deprecated. Import it from jsonschema.protocols.Validator instead.
• Automatic retrieval of remote references (which is still deprecated) now properly succeeds even if the retrieved resource does not declare which version of JSON Schema it uses. Such resources are assumed to be 2020-12 schemas. This more closely matches the pre-referencing library behavior.

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