Ability to use a Certificate instead of a Secret

[GleeKingston]

Please provide us with the following information:

This issue is for a: (mark with an x)

- [ ] bug report -> please search issues before submitting
- [X] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

Microsoft has recently altered their guidance to recommend the use of a Certificate to sign the Access_token requests rather than using a Secret. https://learn.microsoft.com/en-us/azure/active-directory/develop/active-directory-certificate-credentials

Any log messages given by the failure

n/a

Expected/desired behavior

The ability to leverage a certificate in lieu of a Secret

OS and version?

All

Versions

All

Mention any other details that might be useful

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