update webpack related deps

package.json

@@ -26,9 +26,9 @@
     "@types/mocha": "^8.0.3",
     "chai": "^4.2.0",
     "clean-css": "^4.2.3",
-    "css-loader": "^4.3.0",
+    "css-loader": "^5.0.1",
     "event-stream": "4.0.1",
-    "file-loader": "^6.1.0",
+    "file-loader": "^6.2.0",
     "gulp": "^4.0.2",
     "gulp-typedoc": "^2.2.5",
     "mocha": "^8.1.3",
@@ -40,13 +40,13 @@
     "monaco-typescript": "4.1.1",
     "playwright": "1.3.0",
     "rimraf": "^3.0.2",
-    "style-loader": "^1.2.1",
+    "style-loader": "^2.0.0",
     "typedoc": "^0.19.1",
     "typescript": "^4.0.3",
     "uncss": "^0.17.3",
-    "vinyl": "^2.2.0",
-    "webpack": "^4.44.2",
-    "webpack-cli": "^3.3.12",
+    "vinyl": "^2.2.1",
+    "webpack": "^5.11.0",
+    "webpack-cli": "^4.3.0",
     "yaserver": "^0.3.0"
   }
 }