-- pg_tre 1.8.0 -> 1.8.1 upgrade.
--
-- No SQL-catalog changes, no on-disk format change, no behavior
-- change.  1.8.1 is a release-pipeline fix only: 'make dist' no
-- longer requires a PG17+ pg_config, so the tag-triggered CI
-- release-tarball job passes.  Intentionally empty.
--
--     ALTER EXTENSION pg_tre UPDATE TO '1.8.1';