Update dependency dotenv to v9

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dotenv	^8.2.0 -> 9.0.2

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Release Notes

motdotla/dotenv

v9.0.2

Compare Source

Changed

• Support windows newlines with debug mode

v9.0.1

Compare Source

Changed

• Updates to README

v9.0.0

Compare Source

Added

• define package.json in exports
• allow for import "dotenv/config"

Changed

• updated dev dependencies via npm audit
• TypeScript types
• point to exact types file to work with VS Code
• Breaking: drop support for Node v8

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