Infra: Fix permission for CQ service to remove CQ votes of users upon attempt end.

Change-Id: I1f6a699cf51611399a214885d732f893f1457e8c
Reviewed-on: https://boringssl-review.googlesource.com/14846
Reviewed-by: Adam Langley <agl@google.com>

project.config

diff --git a/project.config b/project.config
index 7d485da..daae691 100644
--- a/project.config
+++ b/project.config
@@ -39,7 +39,7 @@
 	label-Commit-Queue = +0..+2 group Project Owners
 	label-Commit-Queue = +0..+2 group mdb/boringssl-committers
 	label-Commit-Queue = +0..+1 group dev
-	labelAs-Commit-Queue = group commit-queue-bot
+	labelAs-Commit-Queue = +0..+2 group commit-queue-bot
         label-CQ-Verified = -1..+1 group commit-queue-bot
 	submit = group External submitters
 	submit = group Project Owners