Обсуждение: pgsql: doc: mention that intervening major releases can be skipped

doc:  mention that intervening major releases can be skipped

Also mention that you should read the intervening major releases notes.
This change was also applied to the website.

Discussion: https://postgr.es/m/20210330144949.GA8259@momjian.us

Backpatch-through: 9.6

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/75e66ee690ae24c546f9a7d01d99779dbb9e08f1

Modified Files
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doc/src/sgml/runtime.sgml | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)