11.2.1 version of sfctl cannot be used with cluster version "10.1.2175.9590"

[TomDeLens]

Error message
UserWarning: sfctl has version "11.2.1" which does not match the cluster version "10.1.2175.9590".

Source code which could maybe introduce this issue
/custom_cluster.py

`
def sfctl_cluster_version_matches(cluster_version, sfctl_version):
"""
Check if the sfctl version and the cluster version is compatible with each other.
:param cluster_version: str representing the cluster runtime version of the connected cluster
:param sfctl_version: str representing this sfctl distribution version
:return: True if they are a match. False otherwise.
"""

if sfctl_version in ['11.2.1']:

    return cluster_version.startswith('8') or cluster_version.startswith('9')

# If we forget to update this code before a new release, the tests which call this method
# will fail.
raise SFCTLInternalException(str.format(
    'Invalid sfctl version {0} provided for check against cluster version {1}.',
    sfctl_version,
    cluster_version))

`