fix(deps): update font awesome to v6.3.0

Author: renovate[bot]

package-lock.json

@@ -57,10 +57,10 @@
   },
   "dependencies": {
     "@edx/paragon": "20.28.4",
-    "@fortawesome/fontawesome-svg-core": "6.2.1",
-    "@fortawesome/free-brands-svg-icons": "6.2.1",
-    "@fortawesome/free-regular-svg-icons": "6.2.1",
-    "@fortawesome/free-solid-svg-icons": "6.2.1",
+    "@fortawesome/fontawesome-svg-core": "6.3.0",
+    "@fortawesome/free-brands-svg-icons": "6.3.0",
+    "@fortawesome/free-regular-svg-icons": "6.3.0",
+    "@fortawesome/free-solid-svg-icons": "6.3.0",
     "@fortawesome/react-fontawesome": "^0.2.0",
     "babel-polyfill": "6.26.0",
     "react-responsive": "8.2.0",