chore(cargo): use crates.io polymarket-rs-client

Cargo.lock

@@ -2709,6 +2709,8 @@ dependencies = [
 [[package]]
 name = "polymarket-rs-client"
 version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c797798ba56ed3bda214f2612afbf26ef3ed7479085645fbdc3329a5b9d5123"
 dependencies = [
  "alloy-primitives",
  "alloy-signer",

Cargo.toml

@@ -70,7 +70,7 @@ tokio-test = "0.4"
 mockito = "1.0"
 proptest = "1.0"
 env_logger = "0.10"
-polymarket-rs-client = { path = "external/polymarket-rs-client" }
+polymarket-rs-client = "0.1.1"
 
 [features]
 default = ["stream"]