fix(deps): update dependency react-helmet to v5.2.1

Author: renovate-bot

site/package.json

@@ -31,7 +31,7 @@
     "prop-types": "15.7.2",
     "react": "16.8.6",
     "react-dom": "16.8.6",
-    "react-helmet": "5.2.0",
+    "react-helmet": "5.2.1",
     "react-typing-animation": "1.6.2"
   },
   "keywords": [

site/yarn.lock

@@ -11819,14 +11819,19 @@ react-error-overlay@^3.0.0:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-3.0.0.tgz#c2bc8f4d91f1375b3dad6d75265d51cd5eeaf655"
   integrity sha512-XzgvowFrwDo6TWcpJ/WTiarb9UI6lhA4PMzS7n1joK3sHfBBBOQHUc0U4u57D6DWO9vHv6lVSWx2Q/Ymfyv4hw==
 
-react-helmet@5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/react-helmet/-/react-helmet-5.2.0.tgz#a81811df21313a6d55c5f058c4aeba5d6f3d97a7"
-  integrity sha1-qBgR3yExOm1VxfBYxK66XW89l6c=
+react-fast-compare@^2.0.2:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/react-fast-compare/-/react-fast-compare-2.0.4.tgz#e84b4d455b0fec113e0402c329352715196f81f9"
+  integrity sha512-suNP+J1VU1MWFKcyt7RtjiSWUjvidmQSlqu+eHslq+342xCbGTYmC0mEhPCOHxlW0CywylOC1u2DFAT+bv4dBw==
+
+react-helmet@5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/react-helmet/-/react-helmet-5.2.1.tgz#16a7192fdd09951f8e0fe22ffccbf9bb3e591ffa"
+  integrity sha512-CnwD822LU8NDBnjCpZ4ySh8L6HYyngViTZLfBBb3NjtrpN8m49clH8hidHouq20I51Y6TpCTISCBbqiY5GamwA==
   dependencies:
-    deep-equal "^1.0.1"
     object-assign "^4.1.1"
     prop-types "^15.5.4"
+    react-fast-compare "^2.0.2"
     react-side-effect "^1.1.0"
 
 react-hot-loader@^4.6.2: