Description of problem:

Client is facing issue with workspace creation they are getting  error:

They are using Github enterprise (the on-prem version) which has been configured in the CheCluster resource.
When they want to start a workspace on a git repository that contains a devfile, nevertheless, devspaces is using the wrong url for the raw devfile  get an error.

Prerequisites (if any, like setup, operators/versions):

devspacesoperator.v3.12.0   
devworkspace-operator.v0.26.0 

Actual results:

Workspace creation fails with error: 

Could not reach devfile at https://github.url/devfile.yaml
The Git provider is not supported.

Expected results:

Workspace should be successfully created with the Github Enterprise URL.