chore: move to shiki (vuejs#216)

Author: antfu

package.json

@@ -79,8 +79,8 @@
     "fflate": "^0.8.2",
     "hash-sum": "^2.0.0",
     "monaco-editor-core": "^0.46.0",
-    "shikiji": "^0.9.6",
-    "shikiji-monaco": "^0.9.6",
+    "shiki": "^1.0.0-rc.0",
+    "@shikijs/monaco": "^1.0.0-rc.0",
     "path-browserify": "^1.0.1",
     "prettier": "^3.2.5",
     "rimraf": "^5.0.5",