pgsql: Update information_schema for SQL:2023

Update information_schema for SQL:2023

This is mainly a light renumbering to match the sections in the
standard.

The comments for SQL_IMPLEMENTATION_INFO and SQL_SIZING are no longer
applicable because the required information has been moved into part
9.

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/f275af8cb88e5a87b01467ad90704c945806d7dd

Modified Files
--------------
src/backend/catalog/information_schema.sql | 203 ++++++++++++++---------------
1 file changed, 99 insertions(+), 104 deletions(-)