chore(deps): update dependency jsonschema to v4.3.1

This MR contains the following updates:

Package	Update	Change
jsonschema	minor	==4.2.1 -> ==4.3.1

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Release Notes

Julian/jsonschema

v4.3.1

Compare Source

• Resolving refs has had performance improvements (#​893)

v4.3.0

Compare Source

• Fix undesired fallback to brute force container uniqueness check on certain input types (#​893)
• Implement a PEP544 Protocol for validator classes (#​890)

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