Bump axios from 0.20.0 to 0.21.0 in /site

Bumps [axios](https://github.com/axios/axios) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v0.20.0...v0.21.0)

Signed-off-by: dependabot[bot] <support@github.com>

site/package-lock.json

@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "axios": {
-      "version": "0.20.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.20.0.tgz",
-      "integrity": "sha512-ANA4rr2BDcmmAQLOKft2fufrtuvlqR+cXNNinUmvfeSNCOF98PZL+7M/v1zIdGo7OLjEA9J2gXJL+j4zGsl0bA==",
+      "version": "0.21.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.0.tgz",
+      "integrity": "sha512-fmkJBknJKoZwem3/IKSSLpkdNXZeBu5Q7GA/aRsr2btgrptmSCxi2oFjZHqGdK9DoTil9PIHlPIZw2EcRJXRvw==",
       "requires": {
         "follow-redirects": "^1.10.0"
       }

site/package.json

@@ -4,7 +4,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "axios": "^0.20.0",
+    "axios": "^0.21.0",
     "dotenv": "^8.2.0"
   }
 }