feat: Update relay builder defaults to Polygon Mainnet and Relay V2, and bump package version to 0.7.0.

Author: aidan-bailey

CHANGELOG.md

@@ -1,3 +1,10 @@
+## [0.7.0] - 2026-02-24
+
+### 🚀 Features
+
+- *(relay)* Update builder to default to Polygon Mainnet (137) and relay V2 (`https://relayer-v2.polymarket.com/`)
+- *(relay)* Update `RelayClientBuilder` to implement `Default`
+
 ## [0.6.1] - 2026-02-20
 
 ### 🚀 Features

Cargo.lock

@@ -11,19 +11,19 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.6.1"
+version = "0.7.0"
 edition = "2021"
 license = "MIT"
 authors = ["Kenji Lau <hello@kenji.sh>"]
 repository = "https://github.com/dilettante-trading/polyoxide"
 rust-version = "1.75"
 
 [workspace.dependencies]
-polyoxide-core = { path = "polyoxide-core", version = "0.6.1" }
-polyoxide-clob = { path = "polyoxide-clob", version = "0.6.1" }
-polyoxide-gamma = { path = "polyoxide-gamma", version = "0.6.1" }
-polyoxide-data = { path = "polyoxide-data", version = "0.6.1" }
-polyoxide-relay = { path = "polyoxide-relay", version = "0.6.1" }
+polyoxide-core = { path = "polyoxide-core", version = "0.7.0" }
+polyoxide-clob = { path = "polyoxide-clob", version = "0.7.0" }
+polyoxide-gamma = { path = "polyoxide-gamma", version = "0.7.0" }
+polyoxide-data = { path = "polyoxide-data", version = "0.7.0" }
+polyoxide-relay = { path = "polyoxide-relay", version = "0.7.0" }
 tokio = { version = "1.41", features = ["full"] }
 reqwest = { version = "0.12", features = ["json", "rustls-tls"], default-features = false }
 serde = { version = "1.0", features = ["derive"] }