Add missing NumberFormatPartTypes types (#42066)
Add missing NumberFormatPartTypes types (#42066)

Adds 7 additional types found in ECMA-402, 7th ed. June 2020, https://www.ecma-international.org/ecma-402/#numberformat-objects (17 in total)
microsoft/TypeScript,RyanCavanaugh/TypeScript,Microsoft/TypeScript,Microsoft/TypeScript,microsoft/TypeScript,RyanCavanaugh/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,kitsonk/TypeScript,Microsoft/TypeScript,kpreisser/TypeScript,weswigham/TypeScript,kpreisser/TypeScript,kitsonk/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,microsoft/TypeScript,RyanCavanaugh/TypeScript