Merge pull request kubernetes#33929 from bart0sh/PR050-pull-kubernetes-node-crio-cgrpv2-imagefs-e2e-kubetest2-decrease-parallelism

pr-crio-cgrpv2-imagefsfs-e2e-kubetest2: decrease parallelism

Author: k8s-ci-robot

config/jobs/kubernetes/sig-node/sig-node-presubmit.yaml

@@ -1335,7 +1335,7 @@ presubmits:
         - --
         - --repo-root=.
         - --gcp-zone=us-west1-b
-        - --parallelism=8
+        - --parallelism=2
         - --timeout=3h
         - --focus-regex=\[NodeConformance\]|\[NodeFeature:.+\]|\[NodeFeature\]
         - --skip-regex=\[Flaky\]|\[Slow\]|\[Serial\]