⬆️ Update boto3 requirement

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@1.20.0...1.40.0)

---
updated-dependencies:
- dependency-name: boto3
  dependency-version: 1.40.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ attrs==25.3.0
 autobahn==24.4.2
 Automat==25.4.16
 backports.zoneinfo;python_version<"3.9"
-boto3>=1.20.0,<1.40.0
+boto3>=1.20.0,<1.41.0
 botocore>=1.25.0,<1.40.0
 certifi==2025.7.9
 cffi==1.17.0