pgsql: doc: PG 16 relnotes: fix subscriber role permission description

doc: PG 16 relnotes: fix subscriber role permission description

Reported-by: Magnus Hagander

Discussion: /messages/by-id/CABUevEwBXi5oqqMj429Lxjro1uu-fdKgSkJtgJS5aTOmujEGQQ@mail.gmail.com

Backpatch-through: 16 only

Branch
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REL_16_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/3ddc889e334f21c6dc98753dcd8b485b275b5e33

Modified Files
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doc/src/sgml/release-16.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)