scripts: gerrit: add external.ids to account output

This contains additional names & e-mails & accounts.

BUG=b:270931736
TEST=`gerrit account`

Change-Id: I80886bcdb450eb07ff1676d4227869fb3574f40e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/4329647
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Auto-Submit: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Cindy Lin <xcl@google.com>
Commit-Queue: Cindy Lin <xcl@google.com>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/gerrit.py b/scripts/gerrit.py
index 8a8ed53..1e13140 100644
--- a/scripts/gerrit.py
+++ b/scripts/gerrit.py
@@ -1210,6 +1210,7 @@
             else:
                 print_one("detail", detail)
                 for field in (
+                    "external.ids",
                     "groups",
                     "capabilities",
                     "preferences",