update deps and security fixes

Author: geoffdutton

package-lock.json

@@ -34,13 +34,13 @@
     "lodash.get": "^4.4.2",
     "lodash.has": "^4.5.2",
     "lodash.tostring": "^4.1.4",
-    "mime": "^2.4.6",
+    "mime": "^2.5.2",
     "type-is": "^1.6.18"
   },
   "devDependencies": {
-    "chai": "^4.2.0",
+    "chai": "^4.3.4",
     "coveralls": "^3.1.0",
-    "mocha": "^8.1.1",
+    "mocha": "^8.4.0",
     "nyc": "^15.1.0",
     "standard": "^16.0.3"
   },