Bump meteor-node-stubs from 1.2.7 to 1.2.8 in /meteorapp

Bumps [meteor-node-stubs](https://github.com/meteor/meteor) from 1.2.7 to 1.2.8.
- [Changelog](https://github.com/meteor/meteor/blob/devel/docs/history.md)
- [Commits](https://github.com/meteor/meteor/commits)

---
updated-dependencies:
- dependency-name: meteor-node-stubs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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