Bump bcrypt from 3.0.7 to 5.0.0 in /site

Bumps [bcrypt](https://github.com/kelektiv/node.bcrypt.js) from 3.0.7 to 5.0.0.
- [Release notes](https://github.com/kelektiv/node.bcrypt.js/releases)
- [Changelog](https://github.com/kelektiv/node.bcrypt.js/blob/master/CHANGELOG.md)
- [Commits](kelektiv/node.bcrypt.js@v3.0.7...v5.0.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

site/package-lock.json

@@ -10,7 +10,7 @@
   "author": "Parth Pant",
   "license": "ISC",
   "dependencies": {
-    "bcrypt": "^3.0.7",
+    "bcrypt": "^5.0.0",
     "body-parser": "^1.19.0",
     "email-templates": "^6.0.6",
     "express": "^4.17.1",