feat: use shikiji for more accurate highlight (vuejs#190)

Author: antfu

package.json

@@ -79,10 +79,8 @@
     "fflate": "^0.8.2",
     "hash-sum": "^2.0.0",
     "monaco-editor-core": "^0.46.0",
-    "monaco-editor-textmate": "^4.0.0",
-    "monaco-textmate": "^3.0.1",
-    "monaco-volar": "^0.4.0",
-    "onigasm": "^2.2.5",
+    "shikiji": "^0.9.6",
+    "shikiji-monaco": "^0.9.6",
     "path-browserify": "^1.0.1",
     "prettier": "^3.2.5",
     "rimraf": "^5.0.5",