Bump urllib3 from 1.22 to 1.24.2

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.22 to 1.24.2.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/master/CHANGES.rst)
- [Commits](urllib3/urllib3@1.22...1.24.2)

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

Author: dependabot[bot]

requirements.txt

@@ -61,6 +61,6 @@ sympy==1.4
 tables==3.5.1
 toolz==0.9.0
 tqdm==4.31.1
-urllib3==1.22
+urllib3==1.24.2
 var-dump==1.2
 wincertstore==0.2

requirements_python3.7.txt

@@ -61,6 +61,6 @@ sympy==1.4
 tables==3.5.1
 toolz==0.9.0
 tqdm==4.31.1
-urllib3==1.22
+urllib3==1.24.2
 var-dump==1.2
 wincertstore==0.2