build(deps-dev): bump release-plan from 0.11.0 to 0.16.0

Bumps [release-plan](https://github.com/embroider-build/release-plan) from 0.11.0 to 0.16.0.
- [Release notes](https://github.com/embroider-build/release-plan/releases)
- [Changelog](https://github.com/embroider-build/release-plan/blob/main/CHANGELOG.md)
- [Commits](https://github.com/embroider-build/release-plan/commits)

---
updated-dependencies:
- dependency-name: release-plan
  dependency-version: 0.16.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -68,7 +68,7 @@
     "eslint-plugin-unicorn": "^50.0.1",
     "eslint-plugin-vitest": "^0.3.20",
     "prettier-plugin-jsdoc": "^1.3.0",
-    "release-plan": "^0.11.0",
+    "release-plan": "^0.16.0",
     "typescript": "^5.3.3",
     "vite": "^6.0.3",
     "vitest": "^1.1.0"