Database transaction not explicitly committed or rolled back

This is a sentry alert: https://new-sentry.gitlab.net/organizations/gitlab/issues/1074697/?referrer=slack&notification_uuid=82e3368b-647f-4018-866e-ccefc85fa92e&alert_rule_id=23&alert_type=issue

This is coming from here: https://gitlab.com/gitlab-org/container-registry/-/blob/30d9a7c016ebca3d65f717f1cc3344576ec8aa4b/registry/gc/worker/worker.go#L128-128

We should investigate how we ended up in this unexpected state.