Update dependencies.

package-lock.json

@@ -3891,11 +3891,11 @@
       "optional": true
     },
     "mongodb": {
-      "version": "3.5.8",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.5.8.tgz",
-      "integrity": "sha512-jz7mR58z66JKL8Px4ZY+FXbgB7d0a0hEGCT7kw8iye46/gsqPrOEpZOswwJ2BQlfzsrCLKdsF9UcaUfGVN2HrQ==",
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.2.tgz",
+      "integrity": "sha512-sSZOb04w3HcnrrXC82NEh/YGCmBuRgR+C1hZgmmv4L6dBz4BkRse6Y8/q/neXer9i95fKUBbFi4KgeceXmbsOA==",
       "requires": {
-        "bl": "^2.2.0",
+        "bl": "^2.2.1",
         "bson": "^1.1.4",
         "denque": "^1.4.1",
         "require_optional": "^1.0.1",
@@ -3904,9 +3904,9 @@
       },
       "dependencies": {
         "bson": {
-          "version": "1.1.4",
-          "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.4.tgz",
-          "integrity": "sha512-S/yKGU1syOMzO86+dGpg2qGoDL0zvzcb262G+gqEy6TgP6rt6z6qxSFX/8X6vLC91P7G7C3nLs0+bvDzmvBA3Q=="
+          "version": "1.1.5",
+          "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.5.tgz",
+          "integrity": "sha512-kDuEzldR21lHciPQAIulLs1LZlCXdLziXI6Mb/TDkwXhb//UORJNPXgcRs2CuO4H0DcMkpfT3/ySsP3unoZjBg=="
         }
       }
     },