chore: Update dependencies

Signed-off-by: Dale Lane <dale.lane@uk.ibm.com>

package.json

@@ -29,7 +29,7 @@
     "@types/jsonwebtoken": "8.3.3",
     "@types/jszip": "3.1.6",
     "@types/jwt-decode": "2.2.1",
-    "@types/lodash": "4.14.137",
+    "@types/lodash": "4.14.138",
     "@types/mocha": "5.2.7",
     "@types/multer": "1.3.9",
     "@types/mustache": "0.8.32",
@@ -50,7 +50,7 @@
     "clone": "2.1.2",
     "del": "5.1.0",
     "eslint": "6.2.2",
-    "eslint-plugin-node": "9.1.0",
+    "eslint-plugin-node": "9.2.0",
     "filecompare": "1.0.4",
     "grunt": "1.0.4",
     "grunt-bower-install-simple": "1.2.8",
@@ -87,7 +87,7 @@
     "supertest": "4.0.2",
     "tslint": "5.19.0",
     "tslint-eslint-rules": "5.4.0",
-    "typescript": "3.5.3",
+    "typescript": "3.6.2",
     "typescript-require": "0.2.10",
     "unzipper": "0.10.4"
   },
@@ -107,7 +107,7 @@
     "file-type": "12.2.0",
     "filesize": "4.1.2",
     "he": "^1.2.0",
-    "helmet": "3.20.0",
+    "helmet": "3.20.1",
     "http-range-parse": "1.0.0",
     "http-status": "1.3.2",
     "ibm-cos-sdk": "1.5.2",
@@ -118,8 +118,8 @@
     "lodash": "4.17.15",
     "lru": "3.1.0",
     "multer": "1.4.2",
-    "mustache": "3.0.2",
-    "mysql2": "1.6.5",
+    "mustache": "3.0.3",
+    "mysql2": "1.7.0",
     "nodemailer": "6.3.0",
     "probe-image-size": "4.1.1",
     "randomstring": "1.1.5",