allow staging pupr to abandon CLs too

Example https://crrev.com/c/6443107 where staging tried to abandon
the CL it posted.

Bug: 409462707
Change-Id: I2e3f04a63f9db036d84f6416ece392a7acb96cf3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/+/6443517
Reviewed-by: Yiwei Zhang <yiwzhang@google.com>

groups

diff --git a/groups b/groups
index bd6586b..d3b3ff1 100644
--- a/groups
+++ b/groups
@@ -24,7 +24,6 @@
 b43752ae461b91fb3fb2dc953f2983dea4cb4209                      	owners-override-chromeos
 c70777b3b2b15fd1baf444b2b6e968d75e3a405c                      	chromeos-committers
 cria:googlers                                                 	cria/googlers
-cria:project-chromium-committers                              	cria/project-chromium-committers
 cria:project-chromium-submit-access                           	cria/project-chromium-submit-access
 ddba77e93682ea7590fe38679b88932a977687ad                      	chromeos-ci-eng
 e9d507b567c8fa65b8987e07eef3673906865993                      	chromeos-alumni-approvers

project.config

diff --git a/project.config b/project.config
index a44a8a7..98c34bc 100644
--- a/project.config
+++ b/project.config
@@ -74,6 +74,7 @@
 	label-Bot-Commit = +0..+1 group chromeos-bots
 	abandon = group chromeos-committer-approvers
 	abandon = group chromeos-prod-bot
+	abandon = group chromeos-staging-bot
 	viewPrivateChanges = group chromeos-bots
 	viewPrivateChanges = group chromeos-build-owners
 	editTopicName = group chromeos-committers