Add SSL support for postgresql in bin/rails dbconsole

[mbayucot]

Summary

Add PGSSLMODE, PGSSLCERT, PGSSLKEY and PGSSLROOTCERT to ENV from database config
when running bin/rails dbconsole with postgresql.

```yaml
# config/database.yml

production:
  sslmode: verify-full
  sslcert: client.crt
  sslkey: client.key
  sslrootcert: ca.crt
```

Environment variables

```
PGSSLMODE=verify-full
PGSSLCERT=client.crt
PGSSLKEY=client.key
PGSSLROOTCERT=ca.crt
```

Fixes #43114

[WarheadsSE]

Thanks @mbayucot 👏