Pin dependencies

Author: renovate-bot

package.json

@@ -32,31 +32,31 @@
     "react-testing-library": "^6.0.3"
   },
   "devDependencies": {
-    "@babel/cli": "^7.2.3",
-    "@babel/core": "^7.4.0",
-    "@babel/plugin-proposal-object-rest-spread": "^7.4.0",
-    "@babel/plugin-transform-modules-commonjs": "^7.4.0",
-    "@babel/plugin-transform-runtime": "^7.4.0",
-    "@babel/preset-env": "^7.4.2",
-    "@babel/preset-react": "^7.0.0",
-    "@types/react": "^16.8.10",
-    "all-contributors-cli": "^6.2.0",
-    "babel-eslint": "^10.0.1",
-    "babel-plugin-module-resolver": "^3.2.0",
-    "codecov": "^3.2.0",
-    "eslint": "^5.16.0",
-    "eslint-config-prettier": "^4.1.0",
-    "eslint-plugin-prettier": "^3.0.1",
-    "husky": "^1.3.1",
-    "jest": "^24.5.0",
-    "lint-staged": "^8.1.5",
-    "prettier": "^1.16.4",
-    "prettier-eslint": "^8.8.2",
-    "prettier-eslint-cli": "^4.7.1",
-    "react": "^16.8.6",
-    "react-dom": "^16.8.6",
-    "typescript": "^3.4.1",
-    "typings-tester": "^0.3.2"
+    "@babel/cli": "7.2.3",
+    "@babel/core": "7.4.0",
+    "@babel/plugin-proposal-object-rest-spread": "7.4.0",
+    "@babel/plugin-transform-modules-commonjs": "7.4.0",
+    "@babel/plugin-transform-runtime": "7.4.0",
+    "@babel/preset-env": "7.4.2",
+    "@babel/preset-react": "7.0.0",
+    "@types/react": "16.8.10",
+    "all-contributors-cli": "6.2.0",
+    "babel-eslint": "10.0.1",
+    "babel-plugin-module-resolver": "3.2.0",
+    "codecov": "3.2.0",
+    "eslint": "5.16.0",
+    "eslint-config-prettier": "4.1.0",
+    "eslint-plugin-prettier": "3.0.1",
+    "husky": "1.3.1",
+    "jest": "24.5.0",
+    "lint-staged": "8.1.5",
+    "prettier": "1.16.4",
+    "prettier-eslint": "8.8.2",
+    "prettier-eslint-cli": "4.7.1",
+    "react": "16.8.6",
+    "react-dom": "16.8.6",
+    "typescript": "3.4.1",
+    "typings-tester": "0.3.2"
   },
   "peerDependencies": {
     "react": "^16.8.0",