fix: upgrade react-player from 2.12.0 to 2.15.1

Snyk has created this PR to upgrade react-player from 2.12.0 to 2.15.1.

See this package in npm:
https://www.npmjs.com/package/react-player

See this project in Snyk:
https://app.snyk.io/org/p0nder0sa/project/47ef21bf-d923-41f2-85ea-4bb316aaa08d?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -27,7 +27,7 @@
     "react-app-polyfill": "^3.0.0",
     "react-bootstrap": "^2.7.4",
     "react-full-screen": "^1.1.1",
-    "react-player": "^2.12.0",
+    "react-player": "^2.15.1",
     "react-select": "^5.7.3",
     "react-syntax-highlighter": "^15.5.0",
     "release-please": "^14.17.3",