[solution]
You can change the postgresql configuration to md5.
[Workaround]
1. pg_hba_conf
cd C:\Program Files\PostgreSQL\13\data\pg_hba_conf
Change the method from scram-sha-256 to md5
2. postgresql.conf
cd C:\Program Files\PostgreSQL\13\data\postgresql.conf
Change the password_encryption from scram-sha-256 to md5
3. reload PostgreSQL
4. change the password of the user to get an MD5 encrypted password
good luck!