Bump taskcluster from 44.19.1 to 44.20.4 (#3075)

Bumps [taskcluster](https://github.com/taskcluster/taskcluster) from 44.19.1 to 44.20.4.
- [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/v44.19.1...v44.20.4)

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

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

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

infra/spawn_pipeline_requirements.txt

@@ -1,4 +1,4 @@
 json-e==4.4.3
 pyyaml==6.0
 requests==2.28.1
-taskcluster==44.19.1
+taskcluster==44.20.4

requirements.txt

@@ -26,7 +26,7 @@ scipy==1.9.1
 sendgrid==6.9.7
 shap[plots]==0.41.0
 tabulate==0.8.10
-taskcluster==44.19.1
+taskcluster==44.20.4
 tenacity==8.0.1
 tqdm==4.64.1
 xgboost==1.6.2