Release 5.0.0-rc.1 (#2106)

* Release `5.0.0-rc.1`

* Lock file update

* update lock file and release cycle

* update release notes

* update c-c build crate

* update drink

* bump crates and update drink client

* attempt to update dependencies

* use pallet-contracts crate

* Use of MultiAddress instead of AccountId

---------

Co-authored-by: Sebastian Miasojed <sebastian.miasojed@parity.io>

CHANGELOG.md

@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## Version 5.0.0-rc.1
+
 ### Added
 - Custom signature topic in Events - [#2031](https://github.com/paritytech/ink/pull/2031)
 - [Linter] `non_fallible_api` lint - [#2004](https://github.com/paritytech/ink/pull/2004)