build: update shiki monorepo to v4

See associated pull request for more information.

Author: angular-robot

pnpm-lock.yaml

@@ -19,13 +19,13 @@
     "@angular/platform-server": "21.2.0-next.3",
     "@angular/router": "21.2.0-next.3",
     "@angular/ssr": "21.2.0-next.2",
-    "@shikijs/langs": "3.23.0",
-    "@shikijs/themes": "3.23.0",
+    "@shikijs/langs": "4.0.2",
+    "@shikijs/themes": "4.0.2",
     "express": "^4.18.2",
     "jszip": "^3.10.1",
     "ngx-json-viewer": "^3.2.1",
     "rxjs": "~7.8.0",
-    "shiki": "^3.6.0",
+    "shiki": "^4.0.0",
     "tinyglobby": "^0.2.14",
     "tslib": "^2.3.0",
     "zone.js": "~0.16.0"