chore(deps): update dependency dotenv to v10 (#100)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [dotenv](https://togithub.com/motdotla/dotenv) | [`8.6.0` -> `10.0.0`](https://renovatebot.com/diffs/npm/dotenv/8.6.0/10.0.0) | [![age](https://badges.renovateapi.com/packages/npm/dotenv/10.0.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/dotenv/10.0.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/dotenv/10.0.0/compatibility-slim/8.6.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/dotenv/10.0.0/confidence-slim/8.6.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>motdotla/dotenv</summary>

### [`v10.0.0`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#&#8203;1000-httpsgithubcommotdotladotenvcomparev902v1000-2021-05-20)

[Compare Source](https://togithub.com/motdotla/dotenv/compare/v9.0.2...v10.0.0)

##### Added

-   Add generic support to parse function
-   Allow for import "dotenv/config.js"
-   Add support to resolve home directory in path via ~

### [`v9.0.2`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#&#8203;902-httpsgithubcommotdotladotenvcomparev901v902-2021-05-10)

[Compare Source](https://togithub.com/motdotla/dotenv/compare/v9.0.1...v9.0.2)

##### Changed

-   Support windows newlines with debug mode

### [`v9.0.1`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#&#8203;901-httpsgithubcommotdotladotenvcomparev900v901-2021-05-08)

[Compare Source](https://togithub.com/motdotla/dotenv/compare/v9.0.0...v9.0.1)

##### Changed

-   Updates to README

### [`v9.0.0`](https://togithub.com/motdotla/dotenv/blob/master/CHANGELOG.md#&#8203;900-httpsgithubcommotdotladotenvcomparev860v900-2021-05-05)

[Compare Source](https://togithub.com/motdotla/dotenv/compare/v8.6.0...v9.0.0)

##### Changed

-   *Breaking:* drop support for Node v8

</details>

---

### Configuration

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---

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package.json

@@ -36,7 +36,7 @@
     "@zeit/next-sass": "^1.0.1",
     "autoprefixer": "9.8.8",
     "cross-env": "7.0.3",
-    "dotenv": "8.6.0",
+    "dotenv": "10.0.0",
     "eslint": "^6.0.1",
     "eslint-plugin-jsdoc": "^23.1.0",
     "eslint-plugin-jsx-a11y": "^6.2.3",

yarn.lock

@@ -2983,10 +2983,10 @@ dot-prop@>=6.0.1, dot-prop@^5.1.0, dot-prop@^5.2.0:
   dependencies:
     is-obj "^2.0.0"
 
-dotenv@8.6.0:
-  version "8.6.0"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.6.0.tgz#061af664d19f7f4d8fc6e4ff9b584ce237adcb8b"
-  integrity sha512-IrPdXQsk2BbzvCBGBOTmmSH5SodmqZNt4ERAZDmW4CT+tL8VtvinqywuANaFu4bOMWki16nqf0e4oC0QIaDr/g==
+dotenv@10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-10.0.0.tgz#3d4227b8fb95f81096cdd2b66653fb2c7085ba81"
+  integrity sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q==
 
 downshift@5.2.1:
   version "5.2.1"