chore(deps): update shiki monorepo to v2

package.json

@@ -75,7 +75,7 @@
     "@babel/types": "^7.26.3",
     "@eslint/js": "^9.17.0",
     "@rollup/plugin-replace": "^6.0.2",
-    "@shikijs/monaco": "^1.25.1",
+    "@shikijs/monaco": "^2.1.0",
     "@types/babel__standalone": "^7.1.9",
     "@types/codemirror": "^5.60.15",
     "@types/hash-sum": "^1.0.2",
@@ -96,7 +96,7 @@
     "lint-staged": "^15.3.0",
     "monaco-editor-core": "^0.52.2",
     "prettier": "^3.4.2",
-    "shiki": "^1.25.1",
+    "shiki": "^2.1.0",
     "simple-git-hooks": "^2.11.1",
     "sucrase": "^3.35.0",
     "typescript": "^5.7.2",