Update dependency nodemon to v1.19.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
nodemon (source)	devDependencies	patch	1.19.3 -> 1.19.4

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Release Notes

remy/nodemon

### [`v1.19.4`](https://togithub.com/remy/nodemon/releases/v1.19.4) [Compare Source](https://togithub.com/remy/nodemon/compare/v1.19.3...v1.19.4) ##### Bug Fixes - Replace `jade` references by `pug` ([7d6c1a8](https://togithub.com/remy/nodemon/commit/7d6c1a8)), closes [#​1595](https://togithub.com/remy/nodemon/issues/1595)

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