[v3-0-test] Allow downgrading to 2.11 from 3.x (#54371)#54399

ashb merged 1 commit intoapache:v3-0-testapache/airflow:v3-0-testfrom

astronomer:backport-1d04f09-v3-0-testastronomer/airflow:backport-1d04f09-v3-0-testCopy head branch name to clipboard