Bump pyopenssl from 17.2.0 to 17.5.0

Bumps [pyopenssl](https://github.com/pyca/pyopenssl) from 17.2.0 to 17.5.0.
- [Release notes](https://github.com/pyca/pyopenssl/releases)
- [Changelog](https://github.com/pyca/pyopenssl/blob/master/CHANGELOG.rst)
- [Commits](pyca/pyopenssl@17.2.0...17.5.0)

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

Author: dependabot[bot]

requirements.txt

@@ -148,7 +148,7 @@ Pygments==2.2.0
 pylint==1.7.4
 pymongo==3.9.0
 pyodbc==4.0.17
-pyOpenSSL==17.2.0
+pyOpenSSL==17.5.0
 pyparsing==2.3.1
 PySocks==1.6.7
 pytest==3.2.1