chore: bump to v0.4.0

Author: yusdacra

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "harmony_rust_sdk"
-version = "0.3.1"
+version = "0.4.0"
 authors = ["Yusuf Bera Ertan <[email protected]>"]
 edition = "2018"
 license = "MIT"
@@ -24,7 +24,7 @@ derive-new = "0.5"
 derive_more = "0.99"
 hrpc = "0.1.3"
 
-harmony_derive = { version = "0.1.0", path = "harmony_derive", optional = true }
+harmony_derive = { version = "0.1.1", path = "harmony_derive", optional = true }
 reqwest = { version = "0.11.0", default-features = false, features = [
 	"rustls-tls-native-roots",
 	"json",