Change the integration link for PostgreSQL (#1758)
Change the integration link for PostgreSQL (#1758)

Promscale is the v2 version of the prometheus-postgresql-adapter
project. It uses a much more efficient schema and is compatible
with vanilla PostgreSQL without additional extensions.

Previous discussion in #1722.

Signed-off-by: Matvey Arye <cc7c5be316e48d137cbb549833b85d91034d799d@timescale.com>
prometheus/docs,prometheus/docs,prometheus/docs