Update version to 0.32.0

Author: sdroege

Cargo.lock.msrv

@@ -8,7 +8,7 @@ license = "MIT"
 homepage = "https://github.com/sdroege/async-tungstenite"
 repository = "https://github.com/sdroege/async-tungstenite"
 documentation = "https://docs.rs/async-tungstenite"
-version = "0.31.0"
+version = "0.32.0"
 edition = "2018"
 readme = "README.md"
 include = ["examples/**/*", "src/**/*", "LICENSE", "README.md", "CHANGELOG.md"]