Resolve "F005_index_bloat.sh is broken in CentOS"

Description

Added SQL at the end of 'here-document'.

Related issue

#233 (closed)

Examples

${CHECK_HOST_CMD} "${_PSQL} -f -" <<SQL
with data as (
$sql
)
select json_object_agg(data."Index (Table)", data) as json from data
SQL

I added last SQL.

Closes #233 (closed)