feat(icons): update font awesome to 5.2.0 (#1798)

BREAKING CHANGE:
Since this is a major package update we recommend looking through the upgrade guide https://fontawesome.com/how-to-use/on-the-web/setup/upgrading-from-version-4

package-lock.json

@@ -689,6 +689,12 @@
         "viz.js": "^1.8.0"
       }
     },
+    "@fortawesome/fontawesome-free": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-free/-/fontawesome-free-5.2.0.tgz",
+      "integrity": "sha512-4pgStJx9UmydKc7wwF6Xjw4dFqzUnQejeuP2aUNHWazayWbmMbrx5rieN9+oob4bUwkf1thS3am0Ko+uhFHpNA==",
+      "dev": true
+    },
     "@nebular/auth": {
       "version": "2.0.0-rc.10",
       "resolved": "https://registry.npmjs.org/@nebular/auth/-/auth-2.0.0-rc.10.tgz",
@@ -5051,11 +5057,6 @@
         "readable-stream": "^2.0.4"
       }
     },
-    "font-awesome": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/font-awesome/-/font-awesome-4.7.0.tgz",
-      "integrity": "sha1-j6jPBBGhoxr9B7BtKQK7n8gVoTM="
-    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",