Update dependency dotenv to v9.0.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dotenv	9.0.0 -> 9.0.1

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Release Notes

motdotla/dotenv

### [`v9.0.1`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#​901-httpsgithubcommotdotladotenvcomparev900v901-2021-05-08) [Compare Source](https://togithub.com/motdotla/dotenv/compare/v9.0.0...5dfa02a7ae6b5fa0fda0ce0520c3804cec4ba9aa) ##### Changed - Updates to README

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Configuration

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