Revert "[DEPS] update luci-go"

This reverts commit 1585878b.

Reason for revert:
https://crbug.com/1144638
https://crbug.com/webrtc/12126

Original change's description:
> [DEPS] update luci-go
>
> Bug: 1142713
> Change-Id: Id330d0c9a0e225e5fbf8ae12abeb6b8d55f46262
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2507246
> Reviewed-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@{#822547}

TBR=yyanagisawa@google.com,tikuta@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1142713, 1144638, webrtc:12126
Change-Id: Ie06d7c40065630f28ac44fe6f2dac82f91e64da1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2517405Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823859}

DEPS

@@ -182,7 +182,7 @@ 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:1a022d3a4c50be4207ee93451255d71896416596',
+  'luci_go': 'git_revision:576741d3eed0fa33971fb34cd823650e6f5b47fb',
 
   # This can be overridden, e.g. with custom_vars, to build clang from HEAD
   # instead of downloading the prebuilt pinned revision.