feat: manage grafana pgsql db

- add pgsql backend capabilities for grafana
- create/manage pgsql database for grafana
- fix psql_is_slave fact to work on all current patroni clusters
- fix extra } in resources
- fix unless in psql grant commands
- fix add database owner
- fix disabled schema permissions, the unless didnt work

modules/libs/lib/facter/psql_is_slave.rb

@@ -1,7 +1,11 @@
 # frozen_string_literal: true
 
 Facter.add(:psql_is_slave) do
-  confine enc_role: 'roles::infra::sql::patroni'
+  confine enc_role: [
+    'roles::infra::sql::patroni',
+    'roles::infra::sql::shared',
+    'roles::infra::puppetdb::sql'
+  ]
   setcode do
     # Command to check if PostgreSQL is in recovery mode
     command = 'sudo -iu postgres psql -tAc "select pg_is_in_recovery()"'