Update dependency prettier to v2.7.1

Author: renovate[bot]

package-lock.json

@@ -89,7 +89,7 @@
     "postcss-inline-svg": "4.1.0",
     "postcss-loader": "4.3.0",
     "postcss-media-minmax": "5.0.0",
-    "prettier": "2.6.2",
+    "prettier": "2.7.1",
     "raw-loader": "4.0.2",
     "react-syntax-highlighter": "13.5.3",
     "remark-preset-lint-recommended": "5.0.0",