feat: update validate_ibm_catalog_json pre-commit hook to check for HCL editor

[akocbek]

Description

Input is not inside ibm_catalog.json

input is inside ibm_catalog.json but not HCL editor is used

input is inside ibm_catalog.json and HCL editor is used

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[ocofaigh]

@akocbek FYI the catalog team are adding support to only allow HCL in this editor. I think we should hold off merging this until that is supported