Change Turbo VersionNum to be 5 to match Power and investigate odd error message

The Power motion program was updated to have version number 5, as was the driver, but the Turbo is still on version 4. This line needs to read 5:
https://github.com/DiamondLightSource/pmac/blob/02c4f7247c760634e73b4e5175e3380844c3a77a/pmacApp/pmc/trajectory_scan_definitions.pmc#L10

This ticket should also improve the error message when version numbers don't match. At the moment you can `build` fine, but when you `execute` you get this error:
https://github.com/DiamondLightSource/pmac/blob/02c4f7247c760634e73b4e5175e3380844c3a77a/pmacApp/src/pmacController.cpp#L3333-L3334

Instead it should give an error that version numbers don't match.