[infra] Update Windows bot version

Bug: skia:9253
Change-Id: I7ab606fce40e2a41a18d19c4d55932d32603d449
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227037
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
2 files changed