Release v0.2.9-bata.0

Release Notes

• Api related bug fixes #2948 #2972 #2976 #2986 #3013

Compiled Artifacts

• Windows: https://storage.googleapis.com/go-spacemesh-release-builds/v0.2.9-beta.0/Windows.zip
• macOS: https://storage.googleapis.com/go-spacemesh-release-builds/v0.2.9-beta.0/macOS.zip
• Linux: https://storage.googleapis.com/go-spacemesh-release-builds/v0.2.9-beta.0/Linux.zip