Bump urllib3 from 2.5.0 to 2.6.3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.5.0 to 2.6.3.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.5.0...2.6.3)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -41,7 +41,7 @@ reasoner-validator==6.0.1
 pronto==2.5.3
 pygit2==1.18.0  # UPGRADED: 1.10.0 doesn't build on Python 3.12, 1.18.0 has pre-built wheels
 tabulate==0.9.0
-urllib3==2.5.0  # UPGRADED: 1.26.19 doesn't meet reasoner-validator 5.0.0 requirement of urllib3>=2.5.0
+urllib3==2.6.3  # UPGRADED: 1.26.19 doesn't meet reasoner-validator 5.0.0 requirement of urllib3>=2.5.0
 setproctitle==1.3.3
 opentelemetry-api==1.17.0
 opentelemetry-exporter-jaeger==1.17.0