chore(deps): pin dependencies (#132)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -50,41 +50,41 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "@babel/core": "^7.7.2",
-    "@babel/plugin-external-helpers": "^7.2.0",
-    "@babel/plugin-transform-runtime": "^7.6.2",
-    "@babel/preset-env": "^7.7.1",
-    "@babel/preset-react": "^7.7.0",
-    "@uiw/react-github-corners": "^1.0.8",
-    "autoprefixer": "^8.6.1",
-    "babel-eslint": "^8.2.3",
-    "bannerjs": "^1.0.5",
-    "classnames": "^2.2.5",
-    "colors-cli": "^1.0.26",
-    "cross-env": "^6.0.3",
-    "eslint": "^4.19.1",
-    "eslint-config-airbnb": "^16.1.0",
-    "eslint-plugin-import": "^2.18.2",
-    "eslint-plugin-jsx-a11y": "^6.2.3",
-    "eslint-plugin-react": "^7.16.0",
-    "gh-pages": "^1.2.0",
-    "highlight.js": "^9.16.2",
-    "husky": "^3.1.0",
-    "jest": "^24.9.0",
-    "less": "^3.10.3",
-    "parcel-bundler": "^1.12.4",
-    "parcel-plugin-markdown-string": "^1.4.2",
-    "postcss-modules": "^1.1.0",
-    "puppeteer": "^1.20.0",
-    "react": "^16.12.0",
-    "react-dom": "^16.12.0",
-    "react-markdown": "^3.3.2",
-    "rimraf": "^2.7.1",
-    "rollup": "^1.27.4",
-    "rollup-plugin-babel": "^4.3.3",
-    "rollup-plugin-commonjs": "^9.3.4",
-    "rollup-plugin-node-resolve": "^4.2.4",
-    "uglify-js": "^3.6.9",
-    "zlib": "^1.0.5"
+    "@babel/core": "7.7.2",
+    "@babel/plugin-external-helpers": "7.2.0",
+    "@babel/plugin-transform-runtime": "7.6.2",
+    "@babel/preset-env": "7.7.1",
+    "@babel/preset-react": "7.7.0",
+    "@uiw/react-github-corners": "1.0.8",
+    "autoprefixer": "8.6.5",
+    "babel-eslint": "8.2.6",
+    "bannerjs": "1.0.6",
+    "classnames": "2.2.6",
+    "colors-cli": "1.0.26",
+    "cross-env": "6.0.3",
+    "eslint": "4.19.1",
+    "eslint-config-airbnb": "16.1.0",
+    "eslint-plugin-import": "2.18.2",
+    "eslint-plugin-jsx-a11y": "6.2.3",
+    "eslint-plugin-react": "7.16.0",
+    "gh-pages": "1.2.0",
+    "highlight.js": "9.16.2",
+    "husky": "3.1.0",
+    "jest": "24.9.0",
+    "less": "3.10.3",
+    "parcel-bundler": "1.12.4",
+    "parcel-plugin-markdown-string": "1.4.2",
+    "postcss-modules": "1.4.1",
+    "puppeteer": "1.20.0",
+    "react": "16.12.0",
+    "react-dom": "16.12.0",
+    "react-markdown": "3.6.0",
+    "rimraf": "2.7.1",
+    "rollup": "1.27.4",
+    "rollup-plugin-babel": "4.3.3",
+    "rollup-plugin-commonjs": "9.3.4",
+    "rollup-plugin-node-resolve": "4.2.4",
+    "uglify-js": "3.6.9",
+    "zlib": "1.0.5"
   }
 }