* bump Patroni version to 1.6.5
* bump debezium to v1.1.1.Final
* fix a bug in the launch.sh
* add timescaledb 1.7.0 for postgres 12 (older postgres versions stick to 1.6.1, because 1.7.0 has some bugs)

Close https://github.com/zalando/postgres-operator/issues/929
Close https://github.com/zalando/spilo/issues/417