Update to parity-scale-codec (#3232)

* WIP: update codec

* WIP

* compiling

* WIP

* rename parity-scale-codec to codec

* WIP

* fix

* remove old comments

* use published crates

* fix expected error msg

* bump version

* fmt and fix

* remove old comment

* fix wrong decoding impl

* implement encode like for structures

* undo removal of old pending changes

* trailingzeroinput

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <[email protected]>
Co-Authored-By: DemiMarie-parity <[email protected]>

* update codec

* fmt

* version is 1.0.0

* show more error

* fmt