Is it possible to force PostGres Database from 9.6.23 to 10.x even though receiving a must be upgraded to 12 or higher?

Is it possible to force PostGres Database from 9.6.23 to 10.x even though receiving a must be upgraded to 12 or higher? Message: "The RDS for PostgreSQL 9.6 end-of-life date is approaching. Your database is using a version that must be upgraded to 12 or higher as soon as possible. We plan to automatically upgrade RDS for PostgreSQL 9.6 databases to 12 starting April 26, 2022."