doc: update PG 14 release notes based on current feedback
Branch------master
Details-------https://git.postgresql.org/pg/commitdiff/b35f827b68dc1e761e17f621fbf17c3ecd073cb0
Modified Files--------------doc/src/sgml/release-14.sgml | 85 ++++++++++++++++++++++++++++++--------------1 file changed, 59 insertions(+), 26 deletions(-)
