Description of problem:

Software templaet with gitlab scaffolder action stopped working after upgrade to RHDH 1.8 because 2 fields are not supported and are rejected:

• allowedHosts
• targetBranch

If any of this exist the software template execution fails with:

Invalid input passed to action publish:github, instance is not allowed to have the additional property "allowedHosts"

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

Steps to Reproduce

 # have a software template with gitlab scaffolder action that uses allowedHosts and target branch

Actual results:

template execution of the said actions fails

Expected results:

template execution warn the user and guides them to remove those fields(in favour of other?) but still continues.

Reproducibility (Always/Intermittent/Only Once):

100%

Build Details:

RHDH 1.8

Additional info (Such as Logs, Screenshots, etc):