Update subnet version in README.md

Author: Eetami

README.md

@@ -13,7 +13,7 @@ Download the [subnet](https://github.com/eetami/subnet/releases/latest) shell
 script to your `~/.local/bin` directory.
 
 ```bash
-SUBNET_VERSION='v0.4.2'
+SUBNET_VERSION='v0.4.3'
 wget -O ~/.local/bin/subnet "https://github.com/eetami/subnet/releases/download/${SUBNET_VERSION}/subnet"
 chmod +x ~/.local/bin/subnet
 subnet -h