fix(deps): update dependency dotenv to v8

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
dotenv	dependencies	major	6.2.0 -> 8.2.0

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Release Notes

motdotla/dotenv

### [`v8.2.0`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#​820-httpsgithubcommotdotladotenvcomparev810v820-2019-10-16) [Compare Source](https://togithub.com/motdotla/dotenv/compare/v8.1.0...v8.2.0) ### [`v8.1.0`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#​810-httpsgithubcommotdotladotenvcomparev700v810-2019-08-18) [Compare Source](https://togithub.com/motdotla/dotenv/compare/v8.0.0...v8.1.0) ##### ⚠ BREAKING CHANGES - dropping Node v6 support because end-of-life - Drop support for Node v6 ([#​392](https://togithub.com/motdotla/dotenv/issues/392)) ([2e9636a](https://togithub.com/motdotla/dotenv/commit/2e9636a)), closes [#​392](https://togithub.com/motdotla/dotenv/issues/392) ### [`v8.0.0`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#​800-httpsgithubcommotdotladotenvcomparev700v800-2019-05-02) [Compare Source](https://togithub.com/motdotla/dotenv/compare/v7.0.0...v8.0.0) - Drop support for Node v6 ([#​392](https://togithub.com/motdotla/dotenv/issues/392)) ([2e9636a](https://togithub.com/motdotla/dotenv/commit/2e9636a)), closes [#​392](https://togithub.com/motdotla/dotenv/issues/392) ##### BREAKING CHANGES - dropping Node v6 support because end-of-life #### [7.0.0] - 2019-03-12 ##### Fixed - Fix removing unbalanced quotes ([#​376](https://togithub.com/motdotla/dotenv/pull/376)) ##### Removed - Removed `load` alias for `config` for consistency throughout code and documentation. #### [6.2.0] - 2018-12-03 ##### Added - Support preload configuration via environment variables ([#​351](https://togithub.com/motdotla/dotenv/issues/351)) #### [6.1.0] - 2018-10-08 ##### Added - `debug` option for `config` and `parse` methods will turn on logging #### [6.0.0] - 2018-06-02 ##### Changed - _Breaking:_ drop support for Node v4 ([#​304](https://togithub.com/motdotla/dotenv/pull/304)) #### [5.0.0] - 2018-01-29 ##### Added - Testing against Node v8 and v9 - Documentation on trim behavior of values - Documentation on how to use with `import` ##### Changed - _Breaking_: default `path` is now `path.resolve(process.cwd(), '.env')` - _Breaking_: does not write over keys already in `process.env` if the key has a falsy value - using `const` and `let` instead of `var` ##### Removed - Testing against Node v7 #### [4.0.0] - 2016-12-23 ##### Changed - Return Object with parsed content or error instead of false ([#​165](https://togithub.com/motdotla/dotenv/pull/165)). ##### Removed - `verbose` option removed in favor of returning result. #### [3.0.0] - 2016-12-20 ##### Added - `verbose` option will log any error messages. Off by default. - parses email addresses correctly - allow importing config method directly in ES6 ##### Changed - Suppress error messages by default ([#​154](https://togithub.com/motdotla/dotenv/pull/154)) - Ignoring more files for NPM to make package download smaller ##### Fixed - False positive test due to case-sensitive variable ([#​124](https://togithub.com/motdotla/dotenv/pull/124)) ##### Removed - `silent` option removed in favor of `verbose` #### [2.0.0] - 2016-01-20 ##### Added - CHANGELOG to ["make it easier for users and contributors to see precisely what notable changes have been made between each release"](http://keepachangelog.com/). Linked to from README - LICENSE to be more explicit about what was defined in `package.json`. Linked to from README - Testing nodejs v4 on travis-ci - added examples of how to use dotenv in different ways - return parsed object on success rather than boolean true ##### Changed - README has shorter description not referencing ruby gem since we don't have or want feature parity ##### Removed - Variable expansion and escaping so environment variables are encouraged to be fully orthogonal #### [1.2.0] - 2015-06-20 ##### Added - Preload hook to require dotenv without including it in your code ##### Changed - clarified license to be "BSD-2-Clause" in `package.json` ##### Fixed - retain spaces in string vars #### [1.1.0] - 2015-03-31 ##### Added - Silent option to silence `console.log` when `.env` missing #### [1.0.0] - 2015-03-13 ##### Removed - support for multiple `.env` files. should always use one `.env` file for the current environment [7.0.0]: https://togithub.com/motdotla/dotenv/compare/v6.2.0...v7.0.0 [6.2.0]: https://togithub.com/motdotla/dotenv/compare/v6.1.0...v6.2.0 [6.1.0]: https://togithub.com/motdotla/dotenv/compare/v6.0.0...v6.1.0 [6.0.0]: https://togithub.com/motdotla/dotenv/compare/v5.0.0...v6.0.0 [5.0.0]: https://togithub.com/motdotla/dotenv/compare/v4.0.0...v5.0.0 [4.0.0]: https://togithub.com/motdotla/dotenv/compare/v3.0.0...v4.0.0 [3.0.0]: https://togithub.com/motdotla/dotenv/compare/v2.0.0...v3.0.0 [2.0.0]: https://togithub.com/motdotla/dotenv/compare/v1.2.0...v2.0.0 [1.2.0]: https://togithub.com/motdotla/dotenv/compare/v1.1.0...v1.2.0 [1.1.0]: https://togithub.com/motdotla/dotenv/compare/v1.0.0...v1.1.0 [1.0.0]: https://togithub.com/motdotla/dotenv/compare/v0.4.0...v1.0.0 ### [`v7.0.0`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#​700---2019-03-12) [Compare Source](https://togithub.com/motdotla/dotenv/compare/v6.2.0...v7.0.0) ##### Fixed - Fix removing unbalanced quotes ([#​376](https://togithub.com/motdotla/dotenv/pull/376)) ##### Removed - Removed `load` alias for `config` for consistency throughout code and documentation.

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