build: drop support for VS2017
/cc @nodejs/platform-windows @nodejs/build
We'll need to exclude VS2017 hosts from CI with v15 and above before landing.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
/cc @nodejs/platform-windows @nodejs/build
We'll need to exclude VS2017 hosts from CI with v15 and above before landing.