Ensures the e2e test runner inherits the vars from GH Actions vars so that the _run-e2e-single.yaml has the needed context.

Author: thewhaleking

.github/workflows/e2e-subtensor-tests.yaml

@@ -157,3 +157,4 @@ jobs:
       nodeid: ${{ matrix.nodeid }}
       image-name: ${{ needs.pull-docker-image.outputs.image-name }}
     secrets: inherit
+    vars: inherit