Bump ckb-sdk-rust to 4.3.0

Author: eval-exec

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ckb-sdk"
-version = "4.2.0"
+version = "4.3.0"
 authors = [
     "Linfeng Qian <thewawar@gmail.com>",
     "Nervos Core Dev <dev@nervos.org>",

README.md

@@ -15,7 +15,7 @@ These features allow for seamless interaction with CKB and facilitate the develo
 ```toml
 # Cargo.toml
 [dependencies]
-ckb-sdk = "4.2.0"
+ckb-sdk = "4.3.0"
 ```
 
 ## Build