Update pyjwt requirement from >=2.8.0 to >=2.12.1 in /backend

[dependabot]

Updates the requirements on pyjwt to permit the latest version.

Release notes

Sourced from pyjwt's releases.

2.12.1

What's Changed

• Add typing_extensions dependency for Python < 3.11 by @​jpadilla in jpadilla/pyjwt#1151

Full Changelog: jpadilla/pyjwt@2.12.0...2.12.1

Changelog

Sourced from pyjwt's changelog.

v2.12.1 <https://github.com/jpadilla/pyjwt/compare/2.12.0...2.12.1>__

Fixed

- Add missing ``typing_extensions`` dependency for Python < 3.11 in `[#1150](https://github.com/jpadilla/pyjwt/issues/1150) <https://github.com/jpadilla/pyjwt/issues/1150>`__
v2.12.0 &lt;https://github.com/jpadilla/pyjwt/compare/2.11.0...2.12.0&gt;__
Fixed

• Annotate PyJWKSet.keys for pyright by @​tamird in [#1134](https://github.com/jpadilla/pyjwt/issues/1134) <https://github.com/jpadilla/pyjwt/pull/1134>__
• Close HTTPError response to prevent ResourceWarning on Python 3.14 by @​veeceey in [#1133](https://github.com/jpadilla/pyjwt/issues/1133) <https://github.com/jpadilla/pyjwt/pull/1133>__
• Do not keep algorithms dict in PyJWK instances by @​akx in [#1143](https://github.com/jpadilla/pyjwt/issues/1143) <https://github.com/jpadilla/pyjwt/pull/1143>__
• Validate the crit (Critical) Header Parameter defined in RFC 7515 §4.1.11. by @​dmbs335 in GHSA-752w-5fwx-jx9f <https://github.com/jpadilla/pyjwt/security/advisories/GHSA-752w-5fwx-jx9f>__
• Use PyJWK algorithm when encoding without explicit algorithm in [#1148](https://github.com/jpadilla/pyjwt/issues/1148) <https://github.com/jpadilla/pyjwt/pull/1148>__

Added

- Docs: Add ``PyJWKClient`` API reference and document the two-tier caching system (JWK Set cache and signing key LRU cache).
v2.11.0 <https://github.com/jpadilla/pyjwt/compare/2.10.1...2.11.0>__
Fixed

• Enforce ECDSA curve validation per RFC 7518 Section 3.4.
• Fix build system warnings by @​kurtmckee in [#1105](https://github.com/jpadilla/pyjwt/issues/1105) <https://github.com/jpadilla/pyjwt/pull/1105>__
• Validate key against allowed types for Algorithm family in [#964](https://github.com/jpadilla/pyjwt/issues/964) <https://github.com/jpadilla/pyjwt/pull/964>__
• Add iterator for JWKSet in [#1041](https://github.com/jpadilla/pyjwt/issues/1041) <https://github.com/jpadilla/pyjwt/pull/1041>__
• Validate iss claim is a string during encoding and decoding by @​pachewise in [#1040](https://github.com/jpadilla/pyjwt/issues/1040) <https://github.com/jpadilla/pyjwt/pull/1040>__
• Improve typing/logic for options in decode, decode_complete by @​pachewise in [#1045](https://github.com/jpadilla/pyjwt/issues/1045) <https://github.com/jpadilla/pyjwt/pull/1045>__
• Declare float supported type for lifespan and timeout by @​nikitagashkov in [#1068](https://github.com/jpadilla/pyjwt/issues/1068) <https://github.com/jpadilla/pyjwt/pull/1068>__
• Fix SyntaxWarning\s/DeprecationWarning\s caused by invalid escape sequences by @​kurtmckee in [#1103](https://github.com/jpadilla/pyjwt/issues/1103) <https://github.com/jpadilla/pyjwt/pull/1103>__
• Development: Build a shared wheel once to speed up test suite setup times by @​kurtmckee in [#1114](https://github.com/jpadilla/pyjwt/issues/1114) <https://github.com/jpadilla/pyjwt/pull/1114>__
• Development: Test type annotations across all supported Python versions, increase the strictness of the type checking, and remove the mypy pre-commit hook by @​kurtmckee in [#1112](https://github.com/jpadilla/pyjwt/issues/1112) <https://github.com/jpadilla/pyjwt/pull/1112>__

Added

- Support Python 3.14, and test against PyPy 3.10 and 3.11 by @kurtmckee in `[#1104](https://github.com/jpadilla/pyjwt/issues/1104) <https://github.com/jpadilla/pyjwt/pull/1104>`__
- Development: Migrate to ``build`` to test package building in CI by @kurtmckee in `[#1108](https://github.com/jpadilla/pyjwt/issues/1108) <https://github.com/jpadilla/pyjwt/pull/1108>`__
- Development: Improve coverage config and eliminate unused test suite code by @kurtmckee in `[#1115](https://github.com/jpadilla/pyjwt/issues/1115) <https://github.com/jpadilla/pyjwt/pull/1115>`__
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Commits

• a4e1a3d Add typing_extensions dependency for Python < 3.11 (#1151)
• bd9700c Use PyJWK algorithm when encoding without explicit algorithm (#1148)
• 051ea34 Merge commit from fork
• 1451d70 fix: do not store reference to algorithms dict on PyJWK (#1143)
• f3ba74c [pre-commit.ci] pre-commit autoupdate (#1145)
• 0318ffa [pre-commit.ci] pre-commit autoupdate (#1141)
• a52753d Bump actions/download-artifact from 7 to 8 (#1142)
• b85050f chore(tests): enable mypy (#1138)
• 1272b26 [pre-commit.ci] pre-commit autoupdate (#1135)
• 99a8728 chore: remove superfluous constants (#1136)
• Additional commits viewable in compare view

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