Bump bcrypt from 3.0.6 to 5.0.0

Bumps [bcrypt](https://github.com/kelektiv/node.bcrypt.js) from 3.0.6 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](https://github.com/kelektiv/node.bcrypt.js/compare/v3.0.6...v5.0.0)

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

package.json

@@ -13,7 +13,7 @@
     "nodemon": "^1.19.0"
   },
   "dependencies": {
-    "bcrypt": "^3.0.6",
+    "bcrypt": "^5.0.0",
     "body-parser": "^1.19.0",
     "express": "^4.16.4",
     "mongoose": "^5.5.9"