Update contracts to stable ink4.

Author: deuszx

contracts/access_control/Cargo.lock

@@ -7,7 +7,7 @@ publish = false
 license = "Apache 2.0"
 
 [dependencies]
-ink = { git = "https://github.com/paritytech/ink", rev = "4655a8b4413cb50cbc38d1b7c173ad426ab06cde", default-features = false}
+ink = { version = "~4.0.0",  default-features = false }
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 scale-info = { version = "2.3", default-features = false, features = ["derive"], optional = true }

contracts/access_control/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 anyhow = "*"
-ink = { version = "4.0.0-beta", default-features = false }
+ink = { version = "~4.0.0",  default-features = false }
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 scale-info = { version = "2.3", default-features = false, features = ["derive"], optional = true }