build(deps): bump taskcluster from 96.2.1 to 96.4.0 in /tools (#2954)

Bumps [taskcluster](https://github.com/taskcluster/taskcluster) from 96.2.1 to 96.4.0.
- [Release notes](https://github.com/taskcluster/taskcluster/releases)
- [Changelog](https://github.com/taskcluster/taskcluster/blob/main/CHANGELOG.md)
- [Commits](taskcluster/taskcluster@v96.2.1...v96.4.0)

---
updated-dependencies:
- dependency-name: taskcluster
  dependency-version: 96.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

tools/requirements.txt

@@ -3,4 +3,4 @@ async-timeout==5.0.1
 pytz==2025.2
 sentry-sdk==2.53.0
 structlog==25.5.0
-taskcluster==96.2.1
+taskcluster==96.4.0