Fix label filtering flag in e2e tests

Author: davidhaja

.github/workflows/e2e.yaml

@@ -40,7 +40,7 @@ jobs:
          - group: e2e-multi-instrumentation
            setup: "add-multi-instrumentation-params prepare-e2e"
          - group: e2e-metadata-filters
-           setup: "add-operator-arg OPERATOR_ARG='--annotations-filter=.*filter.out --annotations-filter=config.*.gke.io.* --labels=.*filter.out' prepare-e2e"
+           setup: "add-operator-arg OPERATOR_ARG='--annotations-filter=.*filter.out --annotations-filter=config.*.gke.io.* --labels-filter=.*filter.out' prepare-e2e"
          - group: e2e-automatic-rbac
            setup: "add-rbac-permissions-to-operator prepare-e2e"
     steps: