Relax password complexity in test database

This password is not strong enough in MSSQL 2022, relax this restriction
  https://learn.microsoft.com/en-us/sql/relational-databases/security/password-policy?view=sql-server-ver16
  https://learn.microsoft.com/en-us/sql/t-sql/statements/create-login-transact-sql?view=sql-server-ver16#check_policy---on--off-

test/docker/db/mssql/initdb/initdb_mssql.sql

@@ -18,7 +18,7 @@ GO
 USE ejabberd_test;
 GO
 
-CREATE LOGIN ejabberd_test WITH PASSWORD = 'ejabberd_Test1';
+CREATE LOGIN ejabberd_test WITH PASSWORD = 'ejabberd_Test1', CHECK_POLICY = OFF;
 GO
 
 CREATE USER ejabberd_test FOR LOGIN ejabberd_test;