build(deps): bump taskcluster from 40.0.3 to 42.1.1 in /tools

Bumps [taskcluster](https://github.com/taskcluster/taskcluster) from 40.0.3 to 42.1.1.
- [Release notes](https://github.com/taskcluster/taskcluster/releases)
- [Changelog](https://github.com/taskcluster/taskcluster/blob/main/CHANGELOG.md)
- [Commits](taskcluster/taskcluster@v40.0.3...v42.1.1)

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

Author: dependabot[bot]

tools/requirements.txt

@@ -3,4 +3,4 @@ async-timeout==3.0.1
 logbook==1.5.3
 raven==6.10.0
 structlog==21.1.0
-taskcluster==40.0.3
+taskcluster==42.1.1