Update uniswap-sdk-core version to 0.18.0

The version of the uniswap-sdk-core package has been upgraded from 0.17.2 to 0.18.0. Additionally, a comment line referring to more keys and their definitions has been removed from the Cargo.toml file.

Cargo.toml

@@ -1,13 +1,11 @@
 [package]
 name = "uniswap-sdk-core"
-version = "0.17.2"
+version = "0.18.0"
 edition = "2021"
 authors = ["malik <[email protected]>", "Shuhui Luo <twitter.com/aureliano_law>"]
 description = "The Uniswap SDK Core in Rust provides essential functionality for interacting with the Uniswap decentralized exchange"
 license = "MIT"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 alloy-primitives = "0.6"
 bigdecimal = "0.4.2"