Bump urllib3 from 1.23 to 1.24.2

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.23 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@1.23...1.24.2)

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

Author: dependabot[bot]

requirements.txt

@@ -7,5 +7,5 @@ odictliteral==1.0.0
 pokeapi-ditto==0.6.1
 requests==2.19.1
 tqdm==4.26.0
-urllib3==1.23
+urllib3==1.24.2
 yarl==1.2.6