Added KeyCloak Version, nullable redirect & Azure Certificate Support

Howdy!

This add a version option for KeyCloak, nullable redirect URL and Azure Certificate Support. That's it! Happy Holidays.

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v2.11.0

Dec 20th, 2022

Feature

• #382 - Added support to specify keycloak version - @micbis

• #379 - Add certificate support for Azure provider - @uncaught

• #381 - Allow null as redirect_route - @toooni

Diff: v2.10.1...v2.11.0

Enjoy!