fix(deps): update dependency ejs to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ejs	dependencies	major	^2.6.1 -> ^3.0.0

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Release Notes

mde/ejs

### [`v3.0.1`](https://togithub.com/mde/ejs/blob/master/CHANGELOG.md#v301-2019-11-23) [Compare Source](https://togithub.com/mde/ejs/compare/v2.7.4...v3.0.1) - Removed require.extensions ([@​mde](https://togithub.com/mde)) - Removed legacy preprocessor include ([@​mde](https://togithub.com/mde)) - Removed support for EOL Nodes 4 and 6 ([@​mde](https://togithub.com/mde))

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