Doesnot list files in directory with act

[BhuwanPandey]

github action have this
run: |
ls ${{ github.workspace }}

On running act , It list some files but these are not actually exists and return error says that
No such file or directory
❌ Failure - Main List files in the repository

But when i push the same code on github it get success there is no error.

And I install act on nix-shell , How to upgrade act version on nix-shell.