Bump boto3 from 1.35.39 to 1.35.49 in /packaging/release (#5565)

Bumps [boto3](https://github.com/boto/boto3) from 1.35.39 to 1.35.49.
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.35.39...1.35.49)

---
updated-dependencies:
- dependency-name: boto3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Antoine Toulme <atoulme@splunk.com>

packaging/release/requirements.txt

@@ -1,4 +1,4 @@
 PyGithub==2.4.0
-boto3==1.35.39
+boto3==1.35.49
 docker==7.1.0
 requests==2.32.3