python-jsonschema: Upgrade to 4.4.0

[oliviacrain]

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• [x] The toolchain has been rebuilt successfully (or no changes were made to it)
• [x] The toolchain/worker package manifests are up-to-date
• [x] Any updated packages successfully build (or no packages were changed)
• [x] Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• [x] All package sources are available
• [x] cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/tools/cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• [x] LICENSE-MAP files are up-to-date (./SPECS/LICENSES-AND-NOTICES/data/licenses.json, ./SPECS/LICENSES-AND-NOTICES/LICENSES-MAP.md, ./SPECS/LICENSES-AND-NOTICES/LICENSE-EXCEPTIONS.PHOTON)
• [x] All source files have up-to-date hashes in the *.signatures.json files
• [x] sudo make go-tidy-all and sudo make go-test-coverage pass
• [x] Documentation has been updated to match any changes to the build system
• [x] Ready to merge

---

Summary

Upgrade python-jsonschema to the latest upstream version. As a consequence, we promote python-pyrsistent to core (while also bumping its version to latest).

Change Log

• python-jsonschema: version bump 2.6.0 -> 4.4.0
• python-jsonschema: Use tox to run tests
• python-pyrsistent: version bump 0.17.3 -> 0.18.1
• python-pyrsistent: Use tox to run tests and pull test dependencies from PyPI
• python-pyrsistent: Promoted to Mariner Core
• python-pyrsistent: License verified
• python-pyrsistent: Lint spec

Does this affect the toolchain?

NO

Test Methodology

• Local check/non-check builds pass

[oliviacrain]

@jslobodzian I believe this is one of the upgrades that you brought up as an exemption to the block- unless something has changed since last Friday.

[nisamson]

Olivia, looks like this might have gotten lost in the fracas