chore(deps-dev): bump prettier from 2.2.1 to 2.3.0 in /microsite

Bumps [prettier](https://github.com/prettier/prettier) from 2.2.1 to 2.3.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/2.2.1...2.3.0)

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

microsite/package.json

@@ -18,7 +18,7 @@
     "@spotify/prettier-config": "^10.0.0",
     "docusaurus": "^2.0.0-alpha.70",
     "js-yaml": "^4.1.0",
-    "prettier": "^2.2.1"
+    "prettier": "^2.3.0"
   },
   "prettier": "@spotify/prettier-config"
 }

microsite/yarn.lock

@@ -5197,10 +5197,10 @@ prepend-http@^2.0.0:
   resolved "https://registry.npmjs.org/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
-prettier@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
-  integrity sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==
+prettier@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.3.0.tgz#b6a5bf1284026ae640f17f7ff5658a7567fc0d18"
+  integrity sha512-kXtO4s0Lz/DW/IJ9QdWhAf7/NmPWQXkFr/r/WkR3vyI+0v8amTDxiaQSLzs8NBlytfLWX/7uQUMIW677yLKl4w==
 
 prismjs@^1.22.0:
   version "1.23.0"