fix: do not log MongoDB passwords

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: satta

db/slurper_mongodb.go

@@ -262,7 +262,11 @@ func MakeMongoSlurper(host string, database string, user string, password string
 		s.TypeDispatch[t] = make(chan types.Entry, 1000)
 	}
 	url := fmt.Sprintf("mongodb://%s:%s@%s/%s", s.User, s.Password, s.Host, s.Database)
-	s.Logger.WithFields(log.Fields{"url": url}).Info("preparing for MongoDB connection")
+	s.Logger.WithFields(log.Fields{
+		"host":     s.Host,
+		"database": s.Database,
+		"user":     s.User,
+	}).Info("preparing for MongoDB connection")
 	return s
 }