Some Yaml validation errors don't highlight the problematic area

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Description

invalid pattern used for interpolation. valid pattern is $[[ inputs.input ]] doesn't highlight the part of code having this error, which might be problematic when having large configs with a lot of jobs.

spec:
    inputs:
        build_image:
             default: "my_image,"
        version:
             default: "v 1.1"

---
prepare_release:
    script: ls
    image:
        name: $[[build_image]]:$[[version]]
        entrypoint: [""]

Proposal

Add more clarity into the Lint error messaging by highlighting the area that contains the error.