Merge pull request #2949 from michelleN/gosdk

add go sdk to governance project list

Author: michelleN

GOVERNANCE.md

@@ -11,6 +11,7 @@ The Spin project consists of several codebases with different release cycles. Th
     - [Spin JavaScript SDK](https://github.com/fermyon/spin-js-sdk)
     - [Spin Rust SDK](https://github.com/fermyon/spin-rust-sdk)
     - [Spin .NET SDK](https://github.com/fermyon/spin-dotnet-sdk)
+    - [Spin Go SDK](https://github.com/fermyon/spin-go-sdk)
 - Plugins:
     - [Spin Plugins Index Repository](https://github.com/fermyon/spin-plugins)
     - [Fermyon Platform Plugin](https://github.com/fermyon/platform-plugin)