chore(deps-dev): bump md5-file from 4.0.0 to 5.0.0 in /themes

Bumps [md5-file](https://github.com/roryrjb/md5-file) from 4.0.0 to 5.0.0.
- [Release notes](https://github.com/roryrjb/md5-file/releases)
- [Commits](kodie/md5-file@v4.0.0...v5.0.0)

---
updated-dependencies:
- dependency-name: md5-file
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

themes/package-lock.json

@@ -28,6 +28,6 @@
         "gruntify-eslint": "5.0.0",
         "jit-grunt": "0.10.0",
         "load-grunt-config": "^4.0.1",
-        "md5-file": "^4.0.0"
+        "md5-file": "^5.0.0"
     }
 }