chore(deps): update dependency prettier-plugin-pkg to ^0.21.0

Author: renovate[bot]

package.json

@@ -101,7 +101,7 @@
     "magic-string": "^0.30.17",
     "mocha": "^11.1.0",
     "prettier": "~3.5.3",
-    "prettier-plugin-pkg": "^0.19.0",
+    "prettier-plugin-pkg": "^0.21.0",
     "prettier-plugin-svelte": "^3.3.3",
     "rimraf": "^6.0.1",
     "semver": "^7.7.1",