chore(deps): bump react-i18next from 11.8.6 to 11.8.7 in /client

Bumps [react-i18next](https://github.com/i18next/react-i18next) from 11.8.6 to 11.8.7.
- [Release notes](https://github.com/i18next/react-i18next/releases)
- [Changelog](https://github.com/i18next/react-i18next/blob/master/CHANGELOG.md)
- [Commits](https://github.com/i18next/react-i18next/compare/v11.8.6...v11.8.7)

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

client/package-lock.json

@@ -23210,9 +23210,9 @@
       }
     },
     "react-i18next": {
-      "version": "11.8.6",
-      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-11.8.6.tgz",
-      "integrity": "sha512-Nr4Fq7BvzDLJQmaDyJRkPPINgMW1Y1qeT4STBoY/ePGmYlCZGShTYqqyBm0ly6M8dV1X0twt7M5dfmDzfi9yGQ==",
+      "version": "11.8.7",
+      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-11.8.7.tgz",
+      "integrity": "sha512-IDK/a73cJN4J2C6yTqmDS/r8iikwKaN283hltqps8UiRaFVTvlSxE85HkamEFD6lULG4hFZExecXJ/hA27DW3Q==",
       "requires": {
         "@babel/runtime": "^7.3.1",
         "html-parse-stringify2": "2.0.1"

client/package.json

@@ -54,7 +54,7 @@
     "react-ga": "^2.7.0",
     "react-helmet": "^6.1.0",
     "react-hotkeys": "^2.0.0",
-    "react-i18next": "^11.8.6",
+    "react-i18next": "^11.8.7",
     "react-instantsearch-dom": "^6.9.0",
     "react-lazy-load": "^3.1.13",
     "react-monaco-editor": "^0.39.1",