Merge pull request #17266 from Mugen87/dev34

Upgrade dev dependencies

package.json

@@ -67,17 +67,17 @@
   },
   "homepage": "https://threejs.org/",
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^1.11.0",
-    "@typescript-eslint/parser": "^1.11.0",
+    "@typescript-eslint/eslint-plugin": "^2.0.0",
+    "@typescript-eslint/parser": "^2.0.0",
     "concurrently": "^4.1.1",
-    "eslint": "^6.0.1",
+    "eslint": "^6.1.0",
     "eslint-config-mdcs": "^4.2.3",
     "eslint-plugin-html": "^6.0.0",
     "failonlyreporter": "^1.0.0",
-    "google-closure-compiler": "20190618.0.0",
+    "google-closure-compiler": "20190729.0.0",
     "http-server": "^0.11.1",
     "qunit": "^2.9.2",
-    "rollup": "^1.16.2",
+    "rollup": "^1.19.4",
     "typescript": "^3.5.2"
   },
   "jspm": {