Bump azure to windows 2019 image (#9711)
Bump azure to windows 2019 image (#9711)


JeromeFitz/next.js,flybayer/next.js,azukaru/next.js,flybayer/next.js,azukaru/next.js,azukaru/next.js,flybayer/next.js,JeromeFitz/next.js,zeit/next.js,azukaru/next.js,JeromeFitz/next.js,zeit/next.js,JeromeFitz/next.js,flybayer/next.js,zeit/next.js