This update for postgresql10 fixes the following issues:

- Upgrade to version 10.15:
* CVE-2020-25695, bsc#1178666: Block DECLARE CURSOR ... WITH HOLD
and firing of deferred triggers within index expressions and
materialized view queries.
* CVE-2020-25694, bsc#1178667:
a) Fix usage of complex connection-string parameters in pg_dump,
pg_restore, clusterdb, reindexdb, and vacuumdb.
b) When psql's \connect command re-uses connection parameters,
ensure that all non-overridden parameters from a previous
connection string are re-used.
* CVE-2020-25696, bsc#1178668: Prevent psql's \gset command from
modifying specially-treated variables.
* Fix recently-added timetz test case so it works when the USA
is not observing daylight savings time.
* https://www.postgresql.org/about/news/2111/
* https://www.postgresql.org/docs/10/release-10-15.html

This update was imported from the SUSE:SLE-15-SP1:Update update project.