chore(deps): update dependency prettier-plugin-pkg to ^0.21.0 (graphql#2139)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -111,7 +111,7 @@
     "eslint-plugin-tailwindcss": "3.18.2",
     "jsdom": "^26.1.0",
     "prettier": "3.5.3",
-    "prettier-plugin-pkg": "^0.20.0",
+    "prettier-plugin-pkg": "^0.21.0",
     "prettier-plugin-tailwindcss": "^0.6.12",
     "remark-frontmatter": "5.0.0",
     "remark-lint-first-heading-level": "3.1.2",