support multiple filters for OIDC managed groups

[jimlambrt]

Is your feature request related to a problem? Please describe. Currently, there's a bit of OIDC managed groups sprawl, since you can only use a single filter when defining them.

Describe the solution you'd like Support for multiple filters when defining an OIDC manage group. Support for groups which are a union of the filters and groups which are the intersection of the filters.

Describe alternatives you've considered You could just add an OIDC managed group for each filter.

[sym-stiller]

If your requirements are not too complex, you could try using logical operators like and or or in your filter: https://developer.hashicorp.com/boundary/docs/concepts/filtering#connect-expressions