fix(plugin-manifest-validator): migrate dev environment to ESM - #3837

fix(plugin-manifest-validator): migrate dev environment to ESM#3837

nameless-mc wants to merge 2 commits into

mainkintone/js-sdk:mainfrom

fix/esm-plugin-manifest-validatorkintone/js-sdk:fix/esm-plugin-manifest-validatorCopy head branch name to clipboard