使用了osx废弃的接口，导致运行单元测试时panic

[Etherflow]

【bug表现】
import tdmq后（无tag，版本号v0.0.0-20201223080047-23939971c835），在mac机器上跑带gomonkey的单元测试会报warning和panic（日志如下）
同样的代码在windows机器和linux机器能正常跑通，自查了一下似乎是依赖了keyring包，keyring又用了osx上废弃的接口导致的

# github.com/keybase/go-keychain
cgo-gcc-prolog:203:11: warning: 'SecTrustedApplicationCreateFromPath' is deprecated: first deprecated in macOS 10.15 - No longer supported [-Wdeprecated-declarations]
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/SecTrustedApplication.h:59:10: note: 'SecTrustedApplicationCreateFromPath' has been explicitly marked deprecated here