prepare version to alpha.1 (#5055)

bump version to -alpha.1

Author: valeriikharkin

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pallet-evm"
-version = "2.0.0-dev"
+version = "2.0.0-alpha.1"
 authors = ["Parity Technologies <[email protected]>"]
 edition = "2018"
 license = "GPL-3.0"
@@ -10,14 +10,14 @@ repository = "https://github.com/paritytech/substrate/"
 [dependencies]
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false }
-frame-support = { version = "2.0.0-dev", default-features = false, path = "../support" }
-frame-system = { version = "2.0.0-dev", default-features = false, path = "../system" }
-pallet-timestamp = { version = "2.0.0-dev", default-features = false, path = "../timestamp" }
-pallet-balances = { version = "2.0.0-dev", default-features = false, path = "../balances" }
-sp-core = { version = "2.0.0-dev", default-features = false, path = "../../primitives/core" }
-sp-runtime = { version = "2.0.0-dev", default-features = false, path = "../../primitives/runtime" }
-sp-std = { version = "2.0.0-dev", default-features = false, path = "../../primitives/std" }
-sp-io = { version = "2.0.0-dev", default-features = false, path = "../../primitives/io" }
+frame-support = { version = "2.0.0-alpha.1", default-features = false, path = "../support" }
+frame-system = { version = "2.0.0-alpha.1", default-features = false, path = "../system" }
+pallet-timestamp = { version = "2.0.0-alpha.1", default-features = false, path = "../timestamp" }
+pallet-balances = { version = "2.0.0-alpha.1", default-features = false, path = "../balances" }
+sp-core = { version = "2.0.0-alpha.1", default-features = false, path = "../../primitives/core" }
+sp-runtime = { version = "2.0.0-alpha.1", default-features = false, path = "../../primitives/runtime" }
+sp-std = { version = "2.0.0-alpha.1", default-features = false, path = "../../primitives/std" }
+sp-io = { version = "2.0.0-alpha.1", default-features = false, path = "../../primitives/io" }
 primitive-types = { version = "0.6.2", default-features = false, features = ["rlp"] }
 rlp = { version = "0.4", default-features = false }
 evm = { version = "0.15", default-features = false }