pgsql: doc: mention pg_upgrade extension script

doc: mention pg_upgrade extension script Since commit e462856a7a, pg_upgrade automatically creates a script to update extensions, so mention that instead of ALTER EXTENSION. Backpatch-through: 9.6 Branch -- REL9_6_STABLE Details --- https://git.postgresql.org/pg/commitdiff/c3c1fe09e7c

pgsql: doc: mention pg_upgrade extension script

doc: mention pg_upgrade extension script Since commit e462856a7a, pg_upgrade automatically creates a script to update extensions, so mention that instead of ALTER EXTENSION. Backpatch-through: 9.6 Branch -- REL_14_STABLE Details --- https://git.postgresql.org/pg/commitdiff/9268fc34526

pgsql: doc: mention pg_upgrade extension script

doc: mention pg_upgrade extension script Since commit e462856a7a, pg_upgrade automatically creates a script to update extensions, so mention that instead of ALTER EXTENSION. Backpatch-through: 9.6 Branch -- REL_12_STABLE Details --- https://git.postgresql.org/pg/commitdiff/be500101705

pgsql: doc: mention pg_upgrade extension script

doc: mention pg_upgrade extension script Since commit e462856a7a, pg_upgrade automatically creates a script to update extensions, so mention that instead of ALTER EXTENSION. Backpatch-through: 9.6 Branch -- REL_13_STABLE Details --- https://git.postgresql.org/pg/commitdiff/ff18b8d1b16

pgsql: doc: mention pg_upgrade extension script

doc: mention pg_upgrade extension script Since commit e462856a7a, pg_upgrade automatically creates a script to update extensions, so mention that instead of ALTER EXTENSION. Backpatch-through: 9.6 Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/d8a75b1308b133502a

pgsql: doc: mention pg_upgrade extension script

doc: mention pg_upgrade extension script Since commit e462856a7a, pg_upgrade automatically creates a script to update extensions, so mention that instead of ALTER EXTENSION. Backpatch-through: 9.6 Branch -- REL_11_STABLE Details --- https://git.postgresql.org/pg/commitdiff/cfb70a120bb

pgsql: doc: mention pg_upgrade extension script

doc: mention pg_upgrade extension script Since commit e462856a7a, pg_upgrade automatically creates a script to update extensions, so mention that instead of ALTER EXTENSION. Backpatch-through: 9.6 Branch -- REL_10_STABLE Details --- https://git.postgresql.org/pg/commitdiff/49c54447a5b