Prepare sp-runtime for publication (#10451)

* Bump versions of sp-core and dependencies to v4.0.0

* Update references from `4.0.0-dev` –> `4.0.0`

* Funny whitespace

* Funny whitespace 2

* Prepare `sp-runtime` for publication

substrate/primitives/arithmetic/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sp-arithmetic"
-version = "4.0.0-dev"
+version = "4.0.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 license = "Apache-2.0"

substrate/primitives/arithmetic/fuzzer/Cargo.toml

@@ -14,7 +14,7 @@ publish = false
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-sp-arithmetic = { version = "4.0.0-dev", path = ".." }
+sp-arithmetic = { version = "4.0.0", path = ".." }
 honggfuzz = "0.5.49"
 primitive-types = "0.10.1"
 num-bigint = "0.2"