project.config: grant submit access to the 1.25 release branch

For go.dev/issue/73829.

Change-Id: If273b35308fac574806bbfd52df7a1dbfa375f93
Reviewed-on: https://go-review.googlesource.com/c/All-Projects/+/689995
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>

project.config

diff --git a/project.config b/project.config
index 271b718..794de23 100644
--- a/project.config
+++ b/project.config
@@ -157,8 +157,8 @@
 	accepted = group google/google-union:signcla
 	accepted = group ldap/employees
 	accepted = group ldap/interns
-	accepted = group mdb/google-cla-gerrit-robot-accounts
 	accepted = group mdb/copybara-git-writers
+	accepted = group mdb/google-cla-gerrit-robot-accounts
 [capability]
 	administrateServer = group mdb/golang-gob-owners
 	createAccount = group mdb/gwsq
@@ -169,6 +169,12 @@
 	viewAllAccounts = group luci_scoped_account
 	viewAllAccounts = group mdb/copybara-git-readers
 	viewAllAccounts = group mdb/gwsq
+[access "refs/heads/release-branch.go1.25"]
+	label-Auto-Submit = +0..+1 group cria/project-golang-approvers
+	label-Auto-Submit = +0..+1 group gobot
+	submit = group cria/project-golang-approvers
+	submit = group gobot
+	submit = group luci_scoped_account
 [notify "checkins"]
 	header = to
 	email = golang-checkins@googlegroups.com