chore(deps): update font awesome

Author: renovate[bot]

package.json

@@ -31,9 +31,9 @@
   "devDependencies": {
     "@edx/browserslist-config": "^1.1.1",
     "@edx/stylelint-config-edx": "2.3.0",
-    "@fortawesome/fontawesome-svg-core": "1.2.36",
-    "@fortawesome/free-solid-svg-icons": "5.15.4",
-    "@fortawesome/react-fontawesome": "0.2.2",
+    "@fortawesome/fontawesome-svg-core": "7.0.0",
+    "@fortawesome/free-solid-svg-icons": "7.0.0",
+    "@fortawesome/react-fontawesome": "3.0.0",
     "chroma-js": "2.6.0",
     "classnames": "2.5.1",
     "gh-pages": "6.3.0",