Bump urllib3 from 1.26.18 to 2.6.0

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.18 to 2.6.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.18...2.6.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -8,5 +8,5 @@ tqdm==4.66.3
 
 # boto3 (through botocore) depends on urllib3. Version 1.34.35 requires
 # urllib3 < 1.27 when using Python 3.9 or less, and urllib3 < 2.1 otherwise.
-urllib3==1.26.18; python_version < "3.10"
+urllib3==2.6.0; python_version < "3.10"
 urllib3==2.5.0; python_version >= "3.10"