Bump up9cloud/action-rsync from 1.3 to 1.4 (#141)

Bumps [up9cloud/action-rsync](https://github.com/up9cloud/action-rsync) from 1.3 to 1.4.
- [Release notes](https://github.com/up9cloud/action-rsync/releases)
- [Commits](up9cloud/action-rsync@v1.3...v1.4)

---
updated-dependencies:
- dependency-name: up9cloud/action-rsync
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]