fix(deps): update dependency @edx/frontend-platform to v8.4.0 (#1739)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package-lock.json

@@ -2386,9 +2386,9 @@
       }
     },
     "node_modules/@edx/frontend-platform": {
-      "version": "8.3.7",
-      "resolved": "https://registry.npmjs.org/@edx/frontend-platform/-/frontend-platform-8.3.7.tgz",
-      "integrity": "sha512-ya5ObMvtJlfQmoeL36OtzjFBh0hzJgXN/R2ppyIJ+IbCtY2BCfv5NqvmKD7CplwnSGJTBugpv5hQHeGmi+v97w==",
+      "version": "8.4.0",
+      "resolved": "https://registry.npmjs.org/@edx/frontend-platform/-/frontend-platform-8.4.0.tgz",
+      "integrity": "sha512-toWMU7qVx56f5bLk6/Sl5WWqlKtGp602qDs22JYp5r2VBp5F/nzcrpXXWC925/kH0TP5hI2OMolmLq6n2N8a4Q==",
       "license": "AGPL-3.0",
       "dependencies": {
         "@cospired/i18n-iso-languages": "4.2.0",
@@ -2424,6 +2424,12 @@
         "react-redux": "^7.1.1 || ^8.1.1",
         "react-router-dom": "^6.0.0",
         "redux": "^4.0.4"
+      },
+      "peerDependenciesMeta": {
+        "@openedx/frontend-build": {
+          "optional": true,
+          "reason": "This package is only a peer dependency to ensure using a minimum compatible version that provides env.config and PARAGON_THEME support. It is not needed at runtime, and may be omitted with `--omit=optional`."
+        }
       }
     },
     "node_modules/@edx/new-relic-source-map-webpack-plugin": {