fix: compatibility for modern icu (#9887)
* feat: compatibility for modern icu
* update node version so that we can have correct instructions in our contributing and the nvmrc will work if you have 2.14.1 or above installed already
* Apply suggestions from code review
Co-authored-by: Robert Snow <snowystinger@gmail.com>
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Co-authored-by: Rob Snow <rsnow@adobe.com>
Co-authored-by: Robert Snow <snowystinger@gmail.com>
