Pin dependencies (#195)

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

package.json

@@ -29,19 +29,19 @@
     "build:confluence": "npm run clean && npm run css:confluence && npm run fonts && npm run images && npm run js:confluence"
   },
   "devDependencies": {
-    "autoprefixer": "^7.2.6",
-    "babel-plugin-transform-object-rest-spread": "^6.26.0",
-    "babel-preset-es2015": "^6.14.0",
-    "babelify": "^7.3.0",
-    "browserify": "^16.5.1",
-    "eslint": ">=4.18.2",
-    "fs-extra": "^3.0.1",
-    "glob": "^7.1.3",
-    "handlebars": "^4.7.6",
-    "jquery": "^3.5.0",
-    "postcss-cli": "^7.1.0",
+    "autoprefixer": "7.2.6",
+    "babel-plugin-transform-object-rest-spread": "6.26.0",
+    "babel-preset-es2015": "6.24.1",
+    "babelify": "7.3.0",
+    "browserify": "16.5.1",
+    "eslint": "6.8.0",
+    "fs-extra": "3.0.1",
+    "glob": "7.1.3",
+    "handlebars": "4.7.6",
+    "jquery": "3.5.0",
+    "postcss-cli": "7.1.0",
     "sass": "1.32.13",
-    "uglify-js": "^3.4.9",
+    "uglify-js": "3.4.9",
     "zip-a-folder": "0.0.6"
   },
   "peerDependencies": {