Обсуждение: pgsql: Doc: final(?) updates for 14.0 release notes.

Doc: final(?) updates for 14.0 release notes.

Add the customary short list of major features.  Set release date.

Discussion: https://postgr.es/m/1489855.1631986639@sss.pgh.pa.us

Branch
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REL_14_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/765f677f364100072160e7af37288eb1df2ff355

Modified Files
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doc/src/sgml/release-14.sgml | 67 ++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 65 insertions(+), 2 deletions(-)