cbuildbot: Bump skylab tool version

BUG=chromium:1120105
TEST=Create a suite and wait for it.
  $ skylab create-suite -dev -pool DUT_POOL_QUOTA -board  octopus
-image octopus-release/R82-12884.0.0 dummy
  $ skylab wait-task -dev 8871327725379380944

Change-Id: Ic2176c332614156fda76527f25bb2d731d11dfdd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2369339
Tested-by: Prathmesh Prabhu <pprabhu@google.com>
Reviewed-by: Andrew Lamb <andrewlamb@chromium.org>
Reviewed-by: Jared Loucks <jaredloucks@google.com>
Reviewed-by: Sean McAllister <smcallis@google.com>
Commit-Queue: Prathmesh Prabhu <pprabhu@google.com>
diff --git a/lib/constants.py b/lib/constants.py
index a7a53be..86f1330 100644
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -638,7 +638,7 @@
 # crbug.com/1108489: The skylab tool CIPD package is pinned to a specific
 # version to avoid uncontrolled tool release and so that the tool is effectively
 # branched with cbuildbot.
-CIPD_SKYLAB_INSTANCE_ID = 'o-3zi6gqaaE3Kj_-Uo3UNkrxxlJGWe4pBYoI7vktYxgC'
+CIPD_SKYLAB_INSTANCE_ID = 'LU2Xmdk1oXyZPuiEfzDQhUWFMXY3jYQNPOzHRkRkZBEC'
 
 # HWTest result statuses
 HWTEST_STATUS_PASS = 'pass'