Fix typehints in route shorthand methods (#2317)
Fix typehints in route shorthand methods (#2317)

* Fix typehints in route shorthand methods

Change typehint of the version variable in RouteMixin  to allow int string and float types values
Resolves #2314

* fix lint error in version variable
ashleysommer/sanic,ashleysommer/sanic,ashleysommer/sanic