DEPS: update luci-go

https://chromium.googlesource.com/infra/infra/+log/37a855b64d59b7f079c9a0e5368f2757099d14d3..8c17d4a7b01d6257e927c629cc623ebc6a6b3711

This is to take crrev.com/f4a945468e0c8498fdf7ea9fdffb2a152e1b2ef6

Bug: 984869
Change-Id: I7ba172d97df7be96bf07faeebb3d467506d8cec1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2032482
Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Yoshisato Yanagisawa <yyanagisawa@google.com>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737258}

DEPS

@@ -158,7 +158,7 @@ vars = {
   # luci-go CIPD package version.
   # Make sure the revision is uploaded by infra-packagers builder.
   # https://ci.chromium.org/p/infra-internal/g/infra-packagers/console
-  'luci_go': 'git_revision:37a855b64d59b7f079c9a0e5368f2757099d14d3',
+  'luci_go': 'git_revision:8c17d4a7b01d6257e927c629cc623ebc6a6b3711',
 
   # This can be overridden, e.g. with custom_vars, to build clang from HEAD
   # instead of downloading the prebuilt pinned revision.