doc: move the mention of aggregate JSON functions up in section
It was previously easily overlooked at the end of several tables.
Reported-by: Alex Denman
Discussion: https://postgr.es/m/166335888474.659.16897487975376230364@wrigleys.postgresql.org
Backpatch-through: 10
Branch
------
REL_14_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/51683feb97c1cd324617837bda727b19989c7b53
Modified Files
--------------
doc/src/sgml/func.sgml | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)