chore(deps): pin dependencies

package.json

@@ -44,30 +44,30 @@
     "url": "https://majifix-priority.herokuapp.com/v1/priorities"
   },
   "devDependencies": {
-    "@benmaruchu/faker": "^4.2.1",
-    "@commitlint/cli": "^7.5.2",
-    "@commitlint/config-conventional": "^7.5.0",
-    "@commitlint/travis-cli": "^7.5.2",
-    "commitizen": "^3.0.7",
-    "cz-conventional-changelog": "^2.1.0",
-    "generate-changelog": "^1.7.1",
-    "lint-staged": "^8.1.5",
-    "prettier": "^1.17.0",
-    "husky": "^1.3.1",
-    "chai": "^4.2.0",
-    "grunt": "^1.0.4",
-    "grunt-apidoc": "^0.11.0",
-    "grunt-contrib-jshint": "^2.1.0",
-    "grunt-contrib-watch": "^1.1.0",
-    "grunt-mocha-test": "^0.13.3",
-    "jshint-stylish": "^2.2.1",
-    "mocha": "^6.1.3",
-    "mongoose": "^5.5.2",
-    "nodemon": "^1.18.11",
-    "sinon": "^7.3.1",
-    "sinon-chai": "^3.3.0",
-    "sinon-mongoose": "^2.2.1",
-    "supertest": "^4.0.2"
+    "@benmaruchu/faker": "4.2.1",
+    "@commitlint/cli": "7.5.2",
+    "@commitlint/config-conventional": "7.5.0",
+    "@commitlint/travis-cli": "7.5.2",
+    "commitizen": "3.0.7",
+    "cz-conventional-changelog": "2.1.0",
+    "generate-changelog": "1.7.1",
+    "lint-staged": "8.1.5",
+    "prettier": "1.17.0",
+    "husky": "1.3.1",
+    "chai": "4.2.0",
+    "grunt": "1.0.4",
+    "grunt-apidoc": "0.11.0",
+    "grunt-contrib-jshint": "2.1.0",
+    "grunt-contrib-watch": "1.1.0",
+    "grunt-mocha-test": "0.13.3",
+    "jshint-stylish": "2.2.1",
+    "mocha": "6.1.3",
+    "mongoose": "5.5.2",
+    "nodemon": "1.18.11",
+    "sinon": "7.3.1",
+    "sinon-chai": "3.3.0",
+    "sinon-mongoose": "2.2.1",
+    "supertest": "4.0.2"
   },
   "dependencies": {
     "@codetanzania/majifix-common": ">=0.12.1",