Enable exit code experimental pwsh feature

What does this MR do?

Enables experimental feature to make sure scripts do no longer continue when a command within the script returns a non-zero exit code.

Changes to public APIs

N/A

Author's checklist (required)

• Intermediate commits compile (use git rebase -i main if not)
• Newly added code has a style consistent with the rest of the repository
• Newly added code is documented (guidelines)

Related issues

Closes #10 (closed)