chore(deps): update dependency prettier-plugin-pkg to ^0.21.0 (#152)

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

Author: renovate[bot]

package.json

@@ -115,7 +115,7 @@
     "nyc": "^17.0.0",
     "prettier": "^3.0.0",
     "prettier-plugin-astro": "^0.14.0",
-    "prettier-plugin-pkg": "^0.19.0",
+    "prettier-plugin-pkg": "^0.21.0",
     "prettier-plugin-svelte": "^3.0",
     "publint": "^0.3.12",
     "semver": "^7.3.5",