Bump wheel from 0.33.4 to 0.38.1

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] <support@github.com>

Author: dependabot[bot]

requirements-gpu.txt

@@ -1,5 +1,5 @@
 setuptools==41.0.1
-wheel==0.33.4
+wheel==0.38.1
 pytest==3.9.2
 tensorflow-gpu==1.13.1
 chardet==3.0.4

requirements.txt

@@ -1,5 +1,5 @@
 setuptools==41.0.1
-wheel==0.33.4
+wheel==0.38.1
 pytest==3.9.2
 tensorflow==1.13.1
 chardet==3.0.4