[Request] Evaluate `cel-java` implementations

### Describe the feature

https://github.com/google/cel-java

https://github.com/projectnessie/cel-java

Cryostat 3.0 and the Cryostat Agent are currently using the Project Nessie `cel-java` implementation. There is also the Google implementation which was more recently published/opened. We should evaluate whether it makes sense to switch.

### Anything other information?

_No response_

Start by comparing the linked Google and Project Nessie cel-java implementations, then inspect how Cryostat 3.0 and the Cryostat Agent currently use Project Nessie’s implementation. Done means documenting compatibility, trade-offs, and a clear recommendation on whether switching is appropriate.

Written by the indexing model from the issue text.