DEPS: update luci-go

This is for https://crrev.com/c/2628816

Bug: 1157476
Change-Id: I764bbc39c7a607e483d025ad32eb1e8d41897ab7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2628641Reviewed-by: Yoshisato Yanagisawa <yyanagisawa@google.com>
Commit-Queue: Yoshisato Yanagisawa <yyanagisawa@google.com>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843480}

DEPS

@@ -177,7 +177,7 @@ 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:16e6d735358b0166f06fd2e4daa0da4cff9918e9',
+  'luci_go': 'git_revision:77944aa535e42e29faadf6cfa81aee252807d468',
 
   # This can be overridden, e.g. with custom_vars, to build clang from HEAD
   # instead of downloading the prebuilt pinned revision.