[lucicfg] Roll to 1.12.2

R=atyfto@google.com

Bug: chromium:1051164
Change-Id: Id444745849a9e24a1e731dc0846541995a2c1366
diff --git a/cipd.ensure b/cipd.ensure
index 856e8e1..5b3c040 100644
--- a/cipd.ensure
+++ b/cipd.ensure
@@ -30,7 +30,7 @@
 infra/tools/luci-auth/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4
 
 # Lucicfg tool
-infra/tools/luci/lucicfg/${platform}  git_revision:9752329002811a33ae188d6ba602243237a1d447
+infra/tools/luci/lucicfg/${platform}  git_revision:54dac392a6e1ec6f2c90a6deef9ef7779567241d
 
 # vpython
 infra/tools/luci/vpython/${platform} git_revision:1c424ea982c1f7e165c6e9c19a4517970d5885f4