Bump urllib3 from 1.24.3 to 1.26.5 in /requirements

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.24.3 to 1.26.5.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.24.3...1.26.5)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements/base.txt

@@ -19,7 +19,7 @@ pypandoc==1.4
 Faker==0.8.15
 coverage==4.5.1
 idutils==1.1.8
-urllib3==1.24.3
+urllib3==1.26.5
 metapub==0.5.5
 lxml==4.6.3
 psycopg2-binary==2.8.6