Support Asp.Versioning in AspNetCore v6+

[jayharris]

Prior to AspNetCore 6, MyTested was compatible with Microsoft.AspNetCore.Mvc.Versioning. This integration is via the MyTested.AspNetCore.Mvc.Versioning plugin.

However, beginning with AspNetCore 6, Microsoft.AspNetCore.Mvc.Versioning became a deprecated project, replaced by Asp.Versioning.Mvc. MyTested.AspNetCore.Mvc.Versioning has remained with the old package, stuck at v5.1, while the rest of the suite has moved forward with AspNetCore v6+ packages.

The plugin cannot be simply swapped out from Microsoft.AspNetCore.Mvc.Versioning v5.1 to Asp.Versioning.Mvc vCurrent, as Asp.Versioning.Mvc uses Endpoint middleware rather than older Action Selectors, so it may require implementation of #293 and #351 in order for this support to happen.

Currently, because Asp.Versioning.Mvc is not supported, MyTested routing and pipeline tests return the result of an exception for ambiguous matches: Multiple actions matched. The following actions matched route data and had all constraints satisfied...