Ensure CACHE_EDITION is set for build pipelines
What does this MR do?
workflow:rules has a stop-at-first-match logic. So, when the PIPELINE_TYPE logic is matched, it will never reach the CACHE_EDITION logic.
Related issues
Checklist
See Definition of done.
For anything in this list which will not be completed, please provide a reason in the MR discussion
Required
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Merge Request Title, and Description are up to date, accurate, and descriptive 
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MR targeting the appropriate branch 
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MR has a green pipeline on GitLab.com 
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Pipeline is green on dev.gitlab.org if the change is touching anything besides documentation or internal cookbooks 
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trigger-packagehas a green pipeline running against latest commit
Expected (please provide an explanation if not completing)
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Test plan indicating conditions for success has been posted and passes 
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Documentation created/updated 
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Tests added 
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Integration tests added to GitLab QA 
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Equivalent MR/issue for the GitLab Chart opened 
Edited  by Balasankar 'Balu' C