Simplify the way OIDC tenant id interceptors can be created

[sberyozkin]

Fixes #34692.

This PR simplifies the way custom tenant resolver interceptors can be created, now one just has to extend quarkus.oidc.TenantResolverInterceptor and pass it the tenant id.

Update the test to confirm the hr tenant configuration is picked up - this configuration adds a custom audience value - which causes 401 when the test uses a token with another (default) audience but adding an audience expected by the hr tenant fixes it.

This option complements 2 other options, where either TenantResolver or TenantConfigResolver can be used

[gastaldi]

Looks better to me. Using a getter improves code readability, as it's not always trivial to figure out what goes in the constructor

[sberyozkin]

@gastaldi

Using a getter improves code readability, as it's not always trivial to figure out what goes in the constructor

I've noticed it immediately after I tried it, thanks for moving me in this direction :-)

[gastaldi]

Don't forget to squash everything before it gets merged

[github-actions]

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