deps(dev): bump @flydotio/dockerfile from 0.7.2 to 0.7.3

Bumps [@flydotio/dockerfile](https://github.com/fly-apps/dockerfile-node) from 0.7.2 to 0.7.3.
- [Commits](https://github.com/fly-apps/dockerfile-node/commits)

---
updated-dependencies:
- dependency-name: "@flydotio/dockerfile"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>