update: less依赖替换

APP/package.json.ftl

@@ -69,8 +69,8 @@ TARGET=PSSYSAPP
     "@vue/test-utils": "1.0.0-beta.29",
     "axios-mock-adapter": "^1.17.0",
     "compression-webpack-plugin": "^4.0.0",
-    "less": "^3.0.4",
-    "less-loader": "^5.0.0",
+    "sass-loader": "^10.2.1",
+    "node-sass": "^6.0.1",
     "mockjs": "^1.1.0",
     "script-loader": "^0.7.2",
     "typescript": "^4.0.3",