init: argument list too long

[vsukhin]

Describe the bug Argument list is too long for Test Workflow init with multiple and big env

To Reproduce Steps to reproduce the behavior:

1. Create test workflow
2. Specify env var with big sizes like cert or so
3. See error exec /.tktw/init: argument list too long Aborted (Error) Error

Expected behavior Test Workflow is executed without error

Version / Cluster

• Which testkube version? 2.0.2
• What Kubernetes cluster?Minikube
• What Kubernetes version? 1.25