Update mongodb to the latest version 🚀 (#6348)

* fix(package): update mongodb to version 3.5.0

* chore(package): update lockfile package-lock.json

* Fix shutdown issues

Properly retrieves the number of connections

https://docs.mongodb.com/manual/reference/command/serverStatus/#connections

Bump to 3.5.1

* remove fit

Co-authored-by: Diamond Lewis <findlewis@gmail.com>

package-lock.json

@@ -4643,6 +4643,11 @@
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
     },
+    "denque": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
+      "integrity": "sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ=="
+    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -9062,14 +9067,27 @@
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
     "mongodb": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.4.1.tgz",
-      "integrity": "sha512-juqt5/Z42J4DcE7tG7UdVaTKmUC6zinF4yioPfpeOSNBieWSK6qCY+0tfGQcHLKrauWPDdMZVROHJOa8q2pWsA==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.5.1.tgz",
+      "integrity": "sha512-kpxt4/OfGZ3x9Py+c81yWARLFE3L5UDczF6319Xq0c+pp+8rrzqRiJKjhRAY261JorlRqtrpp7ROK2wCAMA4sw==",
       "requires": {
+        "bl": "^2.2.0",
         "bson": "^1.1.1",
+        "denque": "^1.4.1",
         "require_optional": "^1.0.1",
         "safe-buffer": "^5.1.2",
         "saslprep": "^1.0.0"
+      },
+      "dependencies": {
+        "bl": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
+          "integrity": "sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==",
+          "requires": {
+            "readable-stream": "^2.3.5",
+            "safe-buffer": "^5.1.1"
+          }
+        }
       }
     },
     "mongodb-core": {