Bump wheel from 0.38.1 to 0.40.0

Bumps [wheel](https://github.com/pypa/wheel) from 0.38.1 to 0.40.0.
- [Changelog](https://github.com/pypa/wheel/blob/main/docs/news.rst)
- [Commits](pypa/wheel@0.38.1...0.40.0)

---
updated-dependencies:
- dependency-name: wheel
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements_dev.txt

@@ -1,4 +1,4 @@
-wheel==0.38.1
+wheel==0.40.0
 flake8==3.7.8
 tox==3.14.0
 coverage==4.5.4