Fix meson installation of new generated files
Fix for
9b1a6f50b9: We want to install catalog/syscache_ids.h but not
catalog/syscache_info.h. The meson code has this backwards. The
makefiles are ok.
Reported-by: Aleksander Alekseev <aleksander@timescale.com>
Discussion: https://www.postgresql.org/message-id/CAJ7c6TMDGmAiozDjJQ3%3DP3cd-1BidC_GpitcAuU0aqq-r1eSoQ%40mail.gmail.com