Bump preact from 8.2.1 to 8.5.2 (#45)

Bumps [preact](https://github.com/developit/preact) from 8.2.1 to 8.5.2.
- [Release notes](https://github.com/developit/preact/releases)
- [Commits](preactjs/preact@8.2.1...8.5.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package.json

@@ -50,7 +50,7 @@
     "extract-text-webpack-plugin": "3.0.0",
     "jest": "^20.0.4",
     "normalize.css": "7.0.0",
-    "preact": "8.2.1",
+    "preact": "8.5.2",
     "prismjs": "1.6.0",
     "style-loader": "0.18.2",
     "webpack": "3.4.1"

yarn.lock

@@ -3512,9 +3512,10 @@ postcss@^6.0.1:
     source-map "^0.5.7"
     supports-color "^4.4.0"
 
-preact@8.2.1:
-  version "8.2.1"
-  resolved "https://registry.yarnpkg.com/preact/-/preact-8.2.1.tgz#674243df0c847884d019834044aa2fcd311e72ed"
+preact@8.5.2:
+  version "8.5.2"
+  resolved "https://registry.yarnpkg.com/preact/-/preact-8.5.2.tgz#2f532da485287c07369e08150cf4d23921a09789"
+  integrity sha512-37tlDJGq5IQKqGUbqPZ7qPtsTOWFyxe+ojAOFfzKo0dEPreenqrqgJuS83zGpeGAqD9h9L9Yr7QuxH2W4ZrKxg==
 
 prelude-ls@~1.1.2:
   version "1.1.2"