updated dependencies and merged snyk fixes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "civocloud",
-  "version": "3.1.7",
+  "version": "3.1.8",
   "description": "Node.JS module for accessing civo cloud",
   "keywords": [
     "civo",
@@ -40,17 +40,17 @@
     "snyk": "^1.63.0",
     "babel-eslint": "^8.0.3",
     "chai": "^4.1.2",
-    "dotenv": "^4.0.0",
+    "dotenv": "^5.0.1",
     "eslint": "^4.13.1",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-plugin-import": "^2.8.0",
-    "eslint-plugin-mocha": "^4.11.0",
-    "fs-extra": "^5.0.0",
+    "eslint-plugin-mocha": "^5.0.0",
+    "fs-extra": "^6.0.1",
     "gulp": "^3.9.1",
     "istanbul": "^0.4.5",
-    "jsdoc-to-markdown": "^3.0.2",
-    "jsdoc-x": "^2.0.1",
-    "mocha": "^4.0.1",
+    "jsdoc-to-markdown": "^4.0.1",
+    "jsdoc-x": "^3.0.0",
+    "mocha": "^5.1.1",
     "promise-once-events": "^0.2.0"
   },
   "readmeFilename": "README.md",