chore(deps): update dependency nodemon to v2.0.21

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nodemon (source)	2.0.20 -> 2.0.21

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Release Notes

remy/nodemon

### [`v2.0.21`](https://togithub.com/remy/nodemon/releases/tag/v2.0.21) [Compare Source](https://togithub.com/remy/nodemon/compare/v2.0.20...v2.0.21) ##### Bug Fixes - remove ts mapping if loader present ([1468397](https://togithub.com/remy/nodemon/commit/146839711be58995f88723b29de3007de87d6c3a)), closes [#​2083](https://togithub.com/remy/nodemon/issues/2083)

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