chore(deps): bump react-helmet from 5.2.1 to 6.1.0 in /client

Bumps [react-helmet](https://github.com/nfl/react-helmet) from 5.2.1 to 6.1.0.
- [Release notes](https://github.com/nfl/react-helmet/releases)
- [Changelog](https://github.com/nfl/react-helmet/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nfl/react-helmet/commits/6.1.0)

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

client/package-lock.json

@@ -21758,14 +21758,21 @@
       "integrity": "sha512-AjC7UOZMvygrWTc2hKxTDvlMXEtbmA0IgJjmkhgmQQ3RkXrWR11xEagLGFGaNyaPnmg24oaIiaNPnEoftUhfXA=="
     },
     "react-helmet": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/react-helmet/-/react-helmet-5.2.1.tgz",
-      "integrity": "sha512-CnwD822LU8NDBnjCpZ4ySh8L6HYyngViTZLfBBb3NjtrpN8m49clH8hidHouq20I51Y6TpCTISCBbqiY5GamwA==",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/react-helmet/-/react-helmet-6.1.0.tgz",
+      "integrity": "sha512-4uMzEY9nlDlgxr61NL3XbKRy1hEkXmKNXhjbAIOVw5vcFrsdYbH2FEwcNyWvWinl103nXgzYNlns9ca+8kFiWw==",
       "requires": {
         "object-assign": "^4.1.1",
-        "prop-types": "^15.5.4",
-        "react-fast-compare": "^2.0.2",
-        "react-side-effect": "^1.1.0"
+        "prop-types": "^15.7.2",
+        "react-fast-compare": "^3.1.1",
+        "react-side-effect": "^2.1.0"
+      },
+      "dependencies": {
+        "react-fast-compare": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/react-fast-compare/-/react-fast-compare-3.2.0.tgz",
+          "integrity": "sha512-rtGImPZ0YyLrscKI9xTpV8psd6I8VAtjKCzQDlzyDvqJA8XOW78TXYQwNRNd8g8JZnDu8q9Fu/1v4HPAVwVdHA=="
+        }
       }
     },
     "react-hot-loader": {
@@ -21985,12 +21992,9 @@
       }
     },
     "react-side-effect": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/react-side-effect/-/react-side-effect-1.2.0.tgz",
-      "integrity": "sha512-v1ht1aHg5k/thv56DRcjw+WtojuuDHFUgGfc+bFHOWsF4ZK6C2V57DO0Or0GPsg6+LSTE0M6Ry/gfzhzSwbc5w==",
-      "requires": {
-        "shallowequal": "^1.0.1"
-      }
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/react-side-effect/-/react-side-effect-2.1.0.tgz",
+      "integrity": "sha512-IgmcegOSi5SNX+2Snh1vqmF0Vg/CbkycU9XZbOHJlZ6kMzTmi3yc254oB1WCkgA7OQtIAoLmcSFuHTc/tlcqXg=="
     },
     "react-spinkit": {
       "version": "3.0.0",

client/package.json

@@ -54,7 +54,7 @@
     "react-dom": "^16.10.2",
     "react-final-form": "^6.5.1",
     "react-ga": "^2.7.0",
-    "react-helmet": "^5.2.1",
+    "react-helmet": "^6.1.0",
     "react-hotkeys": "^2.0.0",
     "react-instantsearch-dom": "^6.7.0",
     "react-lazy-load": "^3.1.13",