Update dependency prember to v2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
prember	1.1.1 -> 2.0.0

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Release Notes

ef4/prember (prember)

### [`v2.0.0`](https://togithub.com/ef4/prember/releases/tag/v2.0.0) [Compare Source](https://togithub.com/ef4/prember/compare/v1.1.1...v2.0.0) #### What's Changed - breaking: Drop support for Node < 16 and Fix CI by [@​mansona](https://togithub.com/mansona) in [https://github.com/ef4/prember/pull/79](https://togithub.com/ef4/prember/pull/79) - apply config/fastboot.js the same way that ember-cli-fastboot does by [@​mansona](https://togithub.com/mansona) in [https://github.com/ef4/prember/pull/78](https://togithub.com/ef4/prember/pull/78) **Full Changelog**: https://github.com/ef4/prember/compare/v1.1.1...v2.0.0

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Configuration

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