Add list backfilled commits script 2

Signed-off-by: Lukasz Gryglicki <lgryglicki@cncf.io>

Author: lukaszgryglicki

util_sql/list_backfilled_commits.sql

@@ -1 +1,7 @@
 select dup_actor_id, dup_actor_login, author_id, dup_author_login, author_name, author_email, committer_id, dup_committer_login, committer_name, committer_email from gha_commits where dup_created_at > '2025-10-09';
+select * from gha_commits_roles where sha in (select sha from gha_commits where dup_created_at > '2025-10-09');
+select sha, event_id, role, count(*) as n
+from gha_commits_roles where sha in (select sha from gha_commits where dup_created_at > '2025-10-09')
+group by sha, event_id, role
+having count(*) > 1
+order by role asc, n desc;