Fixes: #9061
`PostgresChannelMessageTableSubscriber` never renews the connection.
This causes problems on DB failover.
With this change the connection is renewed when notifications are not received for a certain time.
(cherry picked from commit 642278dad1)
# Conflicts:
# spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/channel/PostgresChannelMessageTableSubscriber.java
# spring-integration-jdbc/src/test/java/org/springframework/integration/jdbc/channel/PostgresChannelMessageTableSubscriberTests.java
c42441da31