chore(deps): update dependency autoprefixer to v9.8.8 (#74)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [autoprefixer](https://togithub.com/postcss/autoprefixer) | [`9.8.6` -> `9.8.8`](https://renovatebot.com/diffs/npm/autoprefixer/9.8.6/9.8.8) | [![age](https://badges.renovateapi.com/packages/npm/autoprefixer/9.8.8/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/autoprefixer/9.8.8/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/autoprefixer/9.8.8/compatibility-slim/9.8.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/autoprefixer/9.8.8/confidence-slim/9.8.6)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>postcss/autoprefixer</summary>

### [`v9.8.8`](https://togithub.com/postcss/autoprefixer/releases/9.8.8)

[Compare Source](https://togithub.com/postcss/autoprefixer/compare/9.8.7...9.8.8)

-   Replaced `nanocolors` with `picocolors`.
-   Reduced package size.

### [`v9.8.7`](https://togithub.com/postcss/autoprefixer/releases/9.8.7)

[Compare Source](https://togithub.com/postcss/autoprefixer/compare/9.8.6...9.8.7)

-   Replaced `colorette` with `nanocolors`.
-   Reduced package size.

</details>

---

### Configuration

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---

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---

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Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "@commitlint/cli": "^11.0.0",
     "@commitlint/config-conventional": "^11.0.0",
     "@zeit/next-sass": "^1.0.1",
-    "autoprefixer": "9.8.6",
+    "autoprefixer": "9.8.8",
     "cross-env": "7.0.3",
     "dotenv": "^8.2.0",
     "eslint": "^6.0.1",

yarn.lock

@@ -1395,16 +1395,16 @@ atob@^2.1.2:
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-autoprefixer@9.8.6, autoprefixer@^9.8.6:
-  version "9.8.6"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.6.tgz#3b73594ca1bf9266320c5acf1588d74dea74210f"
-  integrity sha512-XrvP4VVHdRBCdX1S3WXVD8+RyG9qeb1D5Sn1DeLiG2xfSpzellk5k54xbUERJ3M5DggQxes39UGOTP8CFrEGbg==
+autoprefixer@9.8.8:
+  version "9.8.8"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.8.tgz#fd4bd4595385fa6f06599de749a4d5f7a474957a"
+  integrity sha512-eM9d/swFopRt5gdJ7jrpCwgvEMIayITpojhkkSMRsFHYuH5bkSQ4p/9qTEHtmNudUZh22Tehu7I6CxAW0IXTKA==
   dependencies:
     browserslist "^4.12.0"
     caniuse-lite "^1.0.30001109"
-    colorette "^1.2.1"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
+    picocolors "^0.2.1"
     postcss "^7.0.32"
     postcss-value-parser "^4.1.0"
 
@@ -1421,6 +1421,19 @@ autoprefixer@^9.7.6:
     postcss "^7.0.27"
     postcss-value-parser "^4.0.3"
 
+autoprefixer@^9.8.6:
+  version "9.8.6"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.6.tgz#3b73594ca1bf9266320c5acf1588d74dea74210f"
+  integrity sha512-XrvP4VVHdRBCdX1S3WXVD8+RyG9qeb1D5Sn1DeLiG2xfSpzellk5k54xbUERJ3M5DggQxes39UGOTP8CFrEGbg==
+  dependencies:
+    browserslist "^4.12.0"
+    caniuse-lite "^1.0.30001109"
+    colorette "^1.2.1"
+    normalize-range "^0.1.2"
+    num2fraction "^1.2.2"
+    postcss "^7.0.32"
+    postcss-value-parser "^4.1.0"
+
 autosuggest-highlight@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/autosuggest-highlight/-/autosuggest-highlight-3.1.1.tgz#70bb4f9125fe8a849e85f825f7bb2a1a4806743d"
@@ -6868,6 +6881,11 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+picocolors@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-0.2.1.tgz#570670f793646851d1ba135996962abad587859f"
+  integrity sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==
+
 picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.2.1:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"