chore: Update devDependencies

Author: nwoltman

package.json

@@ -5,56 +5,51 @@
   "author": "Nathan Woltman <nwoltman@outlook.com>",
   "license": "MIT",
   "main": "lib/MySQLPlus.js",
+  "files": [
+    "lib"
+  ],
   "engines": {
     "node": ">=6"
   },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/nwoltman/node-mysql-plus.git"
-  },
-  "bugs": {
-    "url": "https://github.com/nwoltman/node-mysql-plus/issues"
-  },
+  "repository": "github:nwoltman/node-mysql-plus",
   "homepage": "https://github.com/nwoltman/node-mysql-plus#readme",
+  "bugs": "https://github.com/nwoltman/node-mysql-plus/issues",
+  "keywords": [
+    "mysql",
+    "plus",
+    "database",
+    "auto",
+    "automatic",
+    "migration",
+    "schema",
+    "table",
+    "define",
+    "sql",
+    "query"
+  ],
   "dependencies": {
     "mysql": "^2.17.1"
   },
   "devDependencies": {
-    "@nwoltman/eslint-config": "~0.2.0",
-    "coveralls": "^3.0.3",
+    "@nwoltman/eslint-config": "~0.5.1",
+    "coveralls": "^3.0.7",
     "es6-callback-manager": "^2.0.1",
-    "eslint": "^5.16.0",
+    "eslint": "^6.6.0",
     "grunt": "^1.0.4",
-    "grunt-env": "^0.4.4",
-    "grunt-eslint": "^21.0.0",
-    "grunt-jsdoc-to-markdown": "^4.0.0",
+    "grunt-env": "^1.0.1",
+    "grunt-eslint": "^22.0.0",
+    "grunt-jsdoc-to-markdown": "^5.0.0",
     "grunt-mocha-istanbul": "^5.0.2",
     "grunt-mocha-test": "^0.13.3",
     "istanbul": "^0.4.5",
     "jit-grunt": "^0.10.0",
-    "mocha": "^6.1.4",
-    "semver": "^6.0.0",
+    "mocha": "^6.2.2",
+    "semver": "^6.3.0",
     "should": "~13.2.3",
     "should-sinon": "0.0.6",
-    "sinon": "~7.3.2"
+    "sinon": "~7.5.0"
   },
   "scripts": {
     "test": "grunt"
-  },
-  "files": [
-    "lib"
-  ],
-  "keywords": [
-    "mysql",
-    "plus",
-    "database",
-    "auto",
-    "automatic",
-    "migration",
-    "schema",
-    "table",
-    "define",
-    "sql",
-    "query"
-  ]
+  }
 }