After reviewing the different libraries for constructing JWT authentication tokens, for the OnBehalfOf feature should use Nimbus JOSE + JWT

Exit Criteria

• Add a checkstyle rule to detect including references to org.apache.cxf.rs.security.jose
• Remove all references to org.apache.cxf.rs.security.jose [15] files impacted
• Replace all unfulfilled references with com.nimbusds.jose.* components
• Add backwards combability tests for any features that have previously shipped

Additional Context

• Prototype main...peternied:security:nimbus-jose-jwt