DO NOT LAND: Use dev bitrisescript workers

Author: ahal

taskcluster/config.yml

@@ -21,7 +21,7 @@ workers:
             provisioner: scriptworker-k8s
             implementation: scriptworker-bitrise
             os: scriptworker
-            worker-type: mobile-{level}-bitrise
+            worker-type: mobile-{level}-bitrise-dev
         images:
             provisioner: 'mobile-{level}'
             implementation: docker-worker