When I put the commend for install newman: npm install -g newman.
Then Show:
npm warn deprecated [email protected]: this library is no longer supported
npm warn deprecated [email protected]: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See There’s Math.random(), and then there’s Math.random() · V8 for details.
npm warn deprecated @faker-js/[email protected]: Please update to a newer version.
Hey @nishatsarker 
Welcome to the Postman Community 
Those are just warnings about dependant packages, have you tried running a Collection with Newman?
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