Danger: Fix CiJobsDependencyValidation when YAML cannot be retrieved
What does this MR do and why?
In case of an API error, merged YAML should be an empty Hash and not empty Array. This API error can occur on forks because we cannot lint CI config on forks.
Refs !157028 (comment 1970735327) and !156716 (diffs, comment 1970737568)
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How to verify in CI?
See
Initializing 912 jobs from master ci config...
no implicit conversion of nil into String
Initializing 0 jobs from pl-danger-ci-validation-test ci config...Different error but that's fine.
Edited by Peter Leitzen