Upgrade deps, bump version, add vulnerability badge

README.md

@@ -3,6 +3,7 @@
 [![npm version](https://img.shields.io/npm/v/git-describe.svg)](https://www.npmjs.com/package/git-describe)
 [![npm license](https://img.shields.io/npm/l/git-describe.svg)](https://www.npmjs.com/package/git-describe)
 [![travis build](https://travis-ci.org/tvdstaaij/node-git-describe.svg?branch=master)](https://travis-ci.org/tvdstaaij/node-git-describe)
+[![vulnerabilities](https://snyk.io/test/npm/git-describe/badge.svg)](https://snyk.io/test/npm/git-describe)
 
 This Node.js module runs [`git describe`][1] on the working directory or any
 other directory and parses the output to individual components. Additionally,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "git-describe",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "description": "Git describe information at runtime, with semver support",
   "keywords": [
     "git",
@@ -24,14 +24,14 @@
     "lodash": "^4.17.11"
   },
   "optionalDependencies": {
-    "semver": "^5.3.0"
+    "semver": "^5.6.0"
   },
   "devDependencies": {
-    "chai": "^3.5.0",
+    "chai": "^4.2.0",
     "mocha": "^5.2.0",
-    "rimraf": "^2.5.4"
+    "rimraf": "^2.6.3"
   },
   "engines": {
-    "node": ">=0.12.17"
+    "node": ">=4.0.0"
   }
 }