Bump urllib3 from 2.3.0 to 2.5.0 in /python/example_code/bedrock-runtime (#7505)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.3.0 to 2.5.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.3.0...2.5.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.5.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

python/example_code/bedrock-runtime/requirements.txt

@@ -9,4 +9,4 @@ pytest==8.3.4
 python-dateutil==2.9.0.post0
 s3transfer==0.12.0
 six==1.17.0
-urllib3==2.3.0
+urllib3==2.5.0