Bump setuptools from 40.0.0 to 65.5.1 (#53)

Bumps [setuptools](https://github.com/pypa/setuptools) from 40.0.0 to 65.5.1.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/CHANGES.rst)
- [Commits](pypa/setuptools@v40.0.0...v65.5.1)

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

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

@@ -1,4 +1,4 @@
-setuptools==40.0.0
+setuptools==65.5.1
 matplotlib==2.2.2
 recommonmark==0.4.0
 gym==0.12.0