chore: Update devDependencies

Author: nwoltman

package.json

@@ -31,10 +31,10 @@
     "mysql": "^2.17.1"
   },
   "devDependencies": {
-    "@nwoltman/eslint-config": "~0.5.1",
-    "coveralls": "^3.0.7",
+    "@nwoltman/eslint-config": "~0.6.0",
+    "coveralls": "^3.0.9",
     "es6-callback-manager": "^2.0.1",
-    "eslint": "^6.6.0",
+    "eslint": "^6.8.0",
     "grunt": "^1.0.4",
     "grunt-env": "^1.0.1",
     "grunt-eslint": "^22.0.0",
@@ -43,11 +43,11 @@
     "grunt-mocha-test": "^0.13.3",
     "istanbul": "^0.4.5",
     "jit-grunt": "^0.10.0",
-    "mocha": "^6.2.2",
-    "semver": "^6.3.0",
+    "mocha": "^7.0.1",
+    "semver": "^7.1.3",
     "should": "~13.2.3",
     "should-sinon": "0.0.6",
-    "sinon": "~7.5.0"
+    "sinon": "~8.1.1"
   },
   "scripts": {
     "test": "grunt"