fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - @fortawesome/fontawesome-svg-core from 6.4.2 to 6.5.1.
    See this package in npm: https://www.npmjs.com/package/@fortawesome/fontawesome-svg-core
  - @fortawesome/free-solid-svg-icons from 6.4.2 to 6.5.1.
    See this package in npm: https://www.npmjs.com/package/@fortawesome/free-solid-svg-icons

See this project in Snyk:
https://app.snyk.io/org/mastermindzh/project/6eb54845-2bb5-45e0-80e2-6b3a1c53eee6?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -49,8 +49,8 @@
     ]
   },
   "dependencies": {
-    "@fortawesome/fontawesome-svg-core": "^6.4.2",
-    "@fortawesome/free-solid-svg-icons": "^6.4.2",
+    "@fortawesome/fontawesome-svg-core": "^6.5.1",
+    "@fortawesome/free-solid-svg-icons": "^6.5.1",
     "@fortawesome/react-fontawesome": "^0.2.0",
     "classnames": "^2.4.0",
     "disqus-react": "^1.1.5",