Обсуждение: pgsql: Doc: further updates for RELEASE_CHANGES process notes.

Doc: further updates for RELEASE_CHANGES process notes.

Mention expectations for email notifications of appropriate lists
when a branch is made or retired.

(I've been doing that informally for years, but it's better to have
it written down.)

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/14b2ffaf7ffdd199937e8bcba8b459da5491bcb6

Modified Files
--------------
src/tools/RELEASE_CHANGES | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)