feat: upgrade mime from 2.5.2 to 3.0.0

Snyk has created this PR to upgrade mime from 2.5.2 to 3.0.0.

See this package in npm:
https://www.npmjs.com/package/mime

See this project in Snyk:
https://app.snyk.io/org/acinader/project/21343059-02d9-4182-87d7-718a44b181ef?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -44,7 +44,7 @@
     "ldapjs": "2.3.1",
     "lodash": "4.17.21",
     "lru-cache": "5.1.1",
-    "mime": "2.5.2",
+    "mime": "3.0.0",
     "mongodb": "3.6.11",
     "mustache": "4.2.0",
     "parse": "3.3.1",