build(deps-dev): bump pkg from 5.4.0 to 5.5.1 (#97)

Bumps [pkg](https://github.com/vercel/pkg) from 5.4.0 to 5.5.1.
- [Release notes](https://github.com/vercel/pkg/releases)
- [Commits](vercel/pkg@5.4.0...5.5.1)

---
updated-dependencies:
- dependency-name: pkg
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -13,6 +13,6 @@
   "author": "Ryo Ota <nwtgck@nwtgck.org> (https://github.com/nwtgck)",
   "license": "MIT",
   "devDependencies": {
-    "pkg": "^5.4.0"
+    "pkg": "^5.5.1"
   }
 }