doc: update PG 14 release notes based on feedback so far
Branch------master
Details-------https://git.postgresql.org/pg/commitdiff/ff51679220ce31091bfdbc96d2e90fc02ac6f329
Modified Files--------------doc/src/sgml/release-14.sgml | 108 +++++++++++++++++++++++++------------------1 file changed, 62 insertions(+), 46 deletions(-)
