chore(deps): update boto3 requirement in /e2e_tests/python

Updates the requirements on [boto3](https://github.com/boto/boto3) to permit the latest version.
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.36.20...1.37.25)

---
updated-dependencies:
- dependency-name: boto3
  dependency-version: 1.37.25
  dependency-type: direct:production
...

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

Author: dependabot[bot]

e2e_tests/python/requirements.txt

@@ -1,4 +1,4 @@
-boto3>=1.36.20,<1.37.24
+boto3>=1.36.20,<1.37.26
 mcp>=1.6.0
 uvicorn>=0.32.1