Release cargo-contract version 1.2.0 (#507)

* Release 1.2.0

* added missed fix to chagelog

CHANGELOG.md

@@ -6,6 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.2.0] - 2022-04-13
+
+### Added
+- `decode` command for event, message and constructor data decoding - [#481](https://github.com/paritytech/cargo-contract/pull/481)
+
+### Fixed
+- Fix usage of `check-only` and remove need for `FromStr` impl - [#499](https://github.com/paritytech/cargo-contract/pull/499)
+
 ## [1.1.1] - 2022-04-05
 
 ### Fixed

Cargo.lock

@@ -465,7 +465,7 @@ dependencies = [
 
 [[package]]
 name = "cargo-contract"
-version = "1.1.1"
+version = "1.2.0"
 dependencies = [
  "anyhow",
  "assert_cmd",

Cargo.toml

@@ -3,7 +3,7 @@ members = [".", "metadata"]
 
 [package]
 name = "cargo-contract"
-version = "1.1.1"
+version = "1.2.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 edition = "2021"