Bump @flydotio/dockerfile from 0.5.8 to 0.7.4 (#3118)

Bumps [@flydotio/dockerfile](https://github.com/fly-apps/dockerfile-node) from 0.5.8 to 0.7.4.
- [Commits](https://github.com/fly-apps/dockerfile-node/commits)

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

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

Author: dependabot[bot]

docs-src/package.json

@@ -24,6 +24,6 @@
     "typescript": "^5.6.3"
   },
   "devDependencies": {
-    "@flydotio/dockerfile": "^0.5.7"
+    "@flydotio/dockerfile": "^0.7.4"
   }
 }