ci: update Visual Studio version for AppVeyor

2018-09-07 16:33:23 +02:00 · 2018-09-07 16:33:23 +02:00 · 1ba7e36ade
--- a/appveyor-gn.yml
+++ b/appveyor-gn.yml
@ -1,6 +1,6 @@
 version: 1.0.{build}
 build_cloud: libcc-20
-image: libcc-20-vs2017-15.4.5
+image: libcc-20-vs2017-15.7.4
 environment:
  GIT_CACHE_PATH: C:\Users\electron\libcc_cache
  DISABLE_CRASH_REPORTER_TESTS: true