chore(deps): update rig-core requirement from 0.29.0 to 0.31.0 (#679)

* chore(deps): update rig-core requirement from 0.29.0 to 0.31.0

Updates the requirements on [rig-core](https://github.com/0xPlaygrounds/rig) to permit the latest version.
- [Release notes](https://github.com/0xPlaygrounds/rig/releases)
- [Commits](https://github.com/0xPlaygrounds/rig/compare/rig-core-v0.29.0...rig-core-v0.31.0)

---
updated-dependencies:
- dependency-name: rig-core
  dependency-version: 0.31.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* fix: address breaking changes

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Dale Seo <5466341+DaleSeo@users.noreply.github.com>

examples/rig-integration/Cargo.toml

@@ -13,7 +13,7 @@ readme = { workspace = true }
 publish = false
 
 [dependencies]
-rig-core = "0.29.0"
+rig-core = "0.31.0"
 tokio = { version = "1", features = ["full"] }
 rmcp = { workspace = true, features = [
     "client",

examples/rig-integration/src/chat.rs

@@ -46,7 +46,7 @@ where
                     output_agent(&text, &mut output).await?;
                 }
                 Ok(MultiTurnStreamItem::StreamAssistantItem(
-                    StreamedAssistantContent::ToolCall(tool_call),
+                    StreamedAssistantContent::ToolCall { tool_call, .. },
                 )) => {
                     let name = &tool_call.function.name;
                     let arguments = &tool_call.function.arguments;