pgsql: doc PG 17 relnotes: add incremental JSON parser item

doc PG 17 relnotes: add incremental JSON parser item

Reported-by: Andrew Dunstan

Discussion: /messages/by-id/e48dbf1e-62c9-4dbb-8b42-bb9ed898a0ab@dunslane.net

Backpatch-through: master

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/3f49df98d8b97adc37f408ef3942a1523fd33649

Modified Files
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doc/src/sgml/release-17.sgml | 11 +++++++++++
1 file changed, 11 insertions(+)