Use Mike Farah’s yq package, which provides the yq to convert between YAML, JSON, and XML. The source code is available from command from https://github.com/mikefarah/yq with the documentation at https://mikefarah.gitbook.io/yq/.
yq e '.dependencies.files' MLHUB.yaml
Turn that into a list of files on one line:
yq e '.dependencies.files' MLHUB.yaml | tr -d "-" | tr -d "\n"
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