Add 'JWT' to accepted RFC9068 `typ` value

[tanguilp]

This is the typ value for tokens emitted by MS Azure.

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What kind of change does this PR introduce? (check at least one)

• [ ] Bugfix
• [x] Feature
• [ ] Code style update
• [ ] Refactor
• [ ] Other, please describe:

Does this PR introduce a breaking change? (check one)

• [ ] Yes
• [ ] No

If yes, please describe the impact and migration path for existing applications:

(If no, please delete the above question and this text message.)

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