Bump wheel from 0.33.4 to 0.38.1 in /requirements

Bumps [wheel](https://github.com/pypa/wheel) from 0.33.4 to 0.38.1.
- [Release notes](https://github.com/pypa/wheel/releases)
- [Changelog](https://github.com/pypa/wheel/blob/main/docs/news.rst)
- [Commits](pypa/wheel@0.33.4...0.38.1)

---
updated-dependencies:
- dependency-name: wheel
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/build_common.txt

@@ -3,7 +3,7 @@ flake8==3.5.0
 pytest-cov==2.7.1
 pytest==4.6.3
 python-coveralls==2.9.2
-wheel==0.33.4
+wheel==0.38.1
 PyJWT==1.7.1
 pytest-xdist==1.29.0
 numpy<1.16

requirements/build_windows.txt

@@ -3,6 +3,6 @@ flake8==3.7.7
 isort==4.3.20
 marshmallow==2.18.1
 pytest==4.6.3
-wheel==0.33.4
+wheel==0.38.1
 pytest-xdist==1.29.0
 numpy==1.15.4