fix: ban unencrypted direct connection to pg (#2000)

Author: samrose

ansible/files/fail2ban_config/filter-postgresql.conf.j2

@@ -1,3 +1,4 @@
 [Definition]
 failregex = ^.*,.*,.*,.*,"<HOST>:.*password authentication failed for user.*$
-ignoreregex = ^.*,.*,.*,.*,"127\.0\.0\.1.*password authentication failed for user.*$
+            ^.*no pg_hba\.conf entry for host "<HOST>",.*$
+ignoreregex = ^.*,.*,.*,.*,"127\.0\.0\.1.*password authentication failed for user.*$