Bump taskcluster from 44.16.3 to 44.16.4 in /tools

Bumps [taskcluster](https://github.com/taskcluster/taskcluster) from 44.16.3 to 44.16.4.
- [Release notes](https://github.com/taskcluster/taskcluster/releases)
- [Changelog](https://github.com/taskcluster/taskcluster/blob/main/CHANGELOG.md)
- [Commits](https://github.com/taskcluster/taskcluster/compare/v44.16.3...v44.16.4)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/tools/ci/requirements_tc.txt b/tools/ci/requirements_tc.txt
index bcaee35..576ebe3 100644
--- a/tools/ci/requirements_tc.txt
+++ b/tools/ci/requirements_tc.txt
@@ -1,4 +1,4 @@
 pygithub==1.55
 pyyaml==6.0
 requests==2.27.1
-taskcluster==44.16.3
+taskcluster==44.16.4
diff --git a/tools/requirements_tests.txt b/tools/requirements_tests.txt
index 7688810..d3ff06b 100644
--- a/tools/requirements_tests.txt
+++ b/tools/requirements_tests.txt
@@ -2,4 +2,4 @@
 json-e==4.4.3
 jsonschema==3.2.0
 pyyaml==6.0
-taskcluster==44.16.3
+taskcluster==44.16.4