Prepping release of alpha.6 (#5629)

* bumping version

* cargo update

* adding changelog

Author: valeriikharkin

Cargo.toml

@@ -1,24 +1,27 @@
 [package]
 name = "pallet-evm"
-version = "2.0.0-alpha.5"
+version = "2.0.0-alpha.6"
 authors = ["Parity Technologies <[email protected]>"]
 edition = "2018"
 license = "GPL-3.0"
 homepage = "https://substrate.dev"
 repository = "https://github.com/paritytech/substrate/"
 description = "FRAME EVM contracts pallet"
 
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
 [dependencies]
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "1.3.0", default-features = false }
-frame-support = { version = "2.0.0-alpha.5", default-features = false, path = "../support" }
-frame-system = { version = "2.0.0-alpha.5", default-features = false, path = "../system" }
-pallet-timestamp = { version = "2.0.0-alpha.5", default-features = false, path = "../timestamp" }
-pallet-balances = { version = "2.0.0-alpha.5", default-features = false, path = "../balances" }
-sp-core = { version = "2.0.0-alpha.5", default-features = false, path = "../../primitives/core" }
-sp-runtime = { version = "2.0.0-alpha.5", default-features = false, path = "../../primitives/runtime" }
-sp-std = { version = "2.0.0-alpha.5", default-features = false, path = "../../primitives/std" }
-sp-io = { version = "2.0.0-alpha.5", default-features = false, path = "../../primitives/io" }
+frame-support = { version = "2.0.0-alpha.6", default-features = false, path = "../support" }
+frame-system = { version = "2.0.0-alpha.6", default-features = false, path = "../system" }
+pallet-timestamp = { version = "2.0.0-alpha.6", default-features = false, path = "../timestamp" }
+pallet-balances = { version = "2.0.0-alpha.6", default-features = false, path = "../balances" }
+sp-core = { version = "2.0.0-alpha.6", default-features = false, path = "../../primitives/core" }
+sp-runtime = { version = "2.0.0-alpha.6", default-features = false, path = "../../primitives/runtime" }
+sp-std = { version = "2.0.0-alpha.6", default-features = false, path = "../../primitives/std" }
+sp-io = { version = "2.0.0-alpha.6", default-features = false, path = "../../primitives/io" }
 primitive-types = { version = "0.7.0", default-features = false, features = ["rlp"] }
 rlp = { version = "0.4", default-features = false }
 evm = { version = "0.16", default-features = false }
@@ -42,6 +45,3 @@ std = [
 	"evm/std",
 	"pallet-timestamp/std",
 ]
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]