pgsql: Last-minute updates for release notes.

Last-minute updates for release notes.

Security: CVE-2022-1552

Branch
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REL_14_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/0ae1d09575bbadd2e7a9ada5721a88c8ee0b6be3

Modified Files
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doc/src/sgml/release-14.sgml | 83 ++++++++++++++++++++++++++++++++------------
1 file changed, 60 insertions(+), 23 deletions(-)