Update dependency authlib to v1.6.3

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
authlib	==1.6.0 -> ==1.6.3

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Release Notes

authlib/authlib (authlib)

v1.6.3: Version 1.6.3

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What's Changed

• Add diff-cover check in GHA by @​azmeuk in https://github.com/authlib/authlib/pull/803
• Run GHA unit tests with uv by @​azmeuk in https://github.com/authlib/authlib/pull/805
• Move from pre-commit to prek by @​azmeuk in https://github.com/authlib/authlib/pull/804
• Sign OIDC id_token according to id_token_signed_response_alg client metadata by @​azmeuk in https://github.com/authlib/authlib/pull/802

Full Changelog: https://github.com/authlib/authlib/compare/v1.6.2...v1.6.3

v1.6.2: Version 1.6.2

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What's Changed

• Allow insecure transport for 127.0.0.1 for debugging by @​geigerzaehler in https://github.com/authlib/authlib/pull/788
• Raise a MissingCodeError when code parameter is missing by @​lepture in https://github.com/authlib/authlib/pull/786
• Temporarily restore OAuth2Request body parameter by @​azmeuk in https://github.com/authlib/authlib/pull/791
• Raise MissingCodeException when code parameter is missing by @​lepture in https://github.com/authlib/authlib/pull/794
• Fix id_token generation with EdDSA alg by @​azmeuk in https://github.com/authlib/authlib/pull/800

Full Changelog: https://github.com/authlib/authlib/compare/v1.6.1...v1.6.2

v1.6.1: Version 1.6.1

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• Filter key set with additional "alg" and "use" parameters.

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