Update conformance test definitions for FDC3 2.2

A number of changes in FDC3 2.2 require additions or changes to the conformance test definitions at https://github.com/finos/FDC3/tree/main/toolbox/fdc3-conformance and their implementation in https://github.com/finos/FDC3/tree/main/toolbox/fdc3-conformance

Issues or PRs that need warrant conformance testing work:
https://github.com/finos/FDC3/issues?q=label%3Aneeds-conformance-test+