Update devDependencies. (#24829)

package.json

@@ -54,7 +54,7 @@
     "docs-serve": "bundle exec jekyll serve",
     "docs-upload-preview": "build/upload-preview.sh",
     "docs-workbox-precache": "node build/workbox.js",
-    "maintenance-dependencies": "ncu -a -x jquery && npm update && bundle update && shx echo 'Manually update assets/js/vendor/*, js/tests/vendor/* and .travis.yml'",
+    "maintenance-dependencies": "ncu -a -x jquery && npm update && bundle update && shx echo \"Manually update assets/js/vendor/*, js/tests/vendor/* and .travis.yml\"",
     "release-version": "node build/change-version.js",
     "release-zip": "cd dist/ && zip -r9 bootstrap-$npm_package_version-dist.zip * && shx mv bootstrap-$npm_package_version-dist.zip ..",
     "dist": "npm-run-all --parallel css js",
@@ -80,9 +80,9 @@
     "popper.js": "^1.12.9"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-beta.31",
-    "@babel/core": "7.0.0-beta.31",
-    "@babel/preset-env": "7.0.0-beta.31",
+    "@babel/cli": "7.0.0-beta.32",
+    "@babel/core": "7.0.0-beta.32",
+    "@babel/preset-env": "7.0.0-beta.32",
     "autoprefixer": "^7.1.6",
     "babel-eslint": "^8.0.2",
     "babel-plugin-transform-es2015-modules-strip": "^0.1.1",
@@ -93,7 +93,7 @@
     "eslint-plugin-compat": "^2.1.0",
     "htmllint-cli": "^0.0.6",
     "jsunitsaucelabs": "^1.3.0",
-    "node-sass": "^4.6.1",
+    "node-sass": "^4.7.1",
     "nodemon": "^1.12.1",
     "npm-run-all": "^4.1.2",
     "phantomjs-prebuilt": "^2.1.16",
@@ -101,7 +101,7 @@
     "postcss-cli": "^4.1.1",
     "qunit-phantomjs-runner": "^2.3.0",
     "qunitjs": "^2.4.1",
-    "rollup": "^0.51.5",
+    "rollup": "^0.51.8",
     "rollup-plugin-babel": "4.0.0-beta.0",
     "rollup-plugin-node-resolve": "^3.0.0",
     "shelljs": "^0.7.8",
@@ -111,9 +111,9 @@
     "stylelint-config-standard": "^17.0.0",
     "stylelint-order": "^0.7.0",
     "stylelint-scss": "^2.1.0",
-    "uglify-js": "^3.1.9",
+    "uglify-js": "^3.1.10",
     "vnu-jar": "^17.11.1",
-    "workbox-build": "^2.1.1"
+    "workbox-build": "^2.1.2"
   },
   "engines": {
     "node": ">=6"