GCC 13 build failures

Known GCC 13 build issues with some extensions

• jsquery: https://github.com/postgrespro/jsquery/issues/45

• postgres_osm_pbf_fdw: https://github.com/vpikulik/postgres_osm_pbf_fdw/issues/20

• pgimportdoc: https://github.com/okbob/pgimportdoc/issues/5