Bump taskcluster from 54.4.2 to 55.3.0 in /tools

Bumps [taskcluster](https://github.com/taskcluster/taskcluster) from 54.4.2 to 55.3.0.
- [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/v54.4.2...v55.3.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/tools/ci/requirements_tc.txt b/tools/ci/requirements_tc.txt
index 0506dbb..7875b71 100644
--- a/tools/ci/requirements_tc.txt
+++ b/tools/ci/requirements_tc.txt
@@ -1,4 +1,4 @@
 pygithub==1.59.1
 pyyaml==6.0.1
 requests==2.31.0
-taskcluster==54.4.2
+taskcluster==55.3.0
diff --git a/tools/requirements_tests.txt b/tools/requirements_tests.txt
index a088568..1a85572 100644
--- a/tools/requirements_tests.txt
+++ b/tools/requirements_tests.txt
@@ -2,5 +2,5 @@
 json-e==4.5.3
 jsonschema==4.17.3
 pyyaml==6.0.1
-taskcluster==54.4.2
+taskcluster==55.3.0
 mozterm==1.0.0