Bump npm from 6.14.2 to 6.14.6

Bumps [npm](https://github.com/npm/cli) from 6.14.2 to 6.14.6.
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/latest/CHANGELOG.md)
- [Commits](npm/cli@v6.14.2...v6.14.6)

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "joi": "^14.3.1",
     "mongoose": "^5.9.5",
     "nodemailer": "^6.4.5",
-    "npm": "^6.14.2",
+    "npm": "^6.14.6",
     "passport": "^0.4.1",
     "passport-jwt": "^4.0.0",
     "reflect-metadata": "^0.1.13",