* Add `try-runtime` to Rococo runtime
* Enable try-runtime in all pallets
* Update runtime/rococo/src/lib.rs
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
* Add dev-dependencies for the try-runtime test
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>