On scheduled run, deploy erro

[BenjaminMichaelis]

github action logs:

$tagVersion = "refs/heads/main".substring(11)
  if ( "schedule" -eq "schedule" -or "schedule" -eq "push" ) {
    $tagVersion = & git describe --tags --abbrev=0
    # Remove 'v' or 'V' prefix if present for NuGet version compatibility
    if ($tagVersion.StartsWith("v") -or $tagVersion.StartsWith("V")) {
      $tagVersion = $tagVersion.Substring(1)
    }
    $tagVersion = "$tagVersion-457"
  }
  echo "TAG_VERSION=$tagVersion" >> $env:GITHUB_OUTPUT
  dotnet nuget push BenjaminMichaelis.Dotnet.Templates.$tagVersion.nupkg --source https://api.nuget.org/v[3](https://github.com/BenjaminMichaelis/DotnetTemplates/actions/runs/15582077750/job/43879591138#step:3:3)/index.json --api-key *** --skip-duplicate
  shell: /usr/bin/pwsh -command ". '{0}'"
fatal: not a git repository (or any of the parent directories): .git
InvalidOperation: /home/runner/work/_temp/b2f8a25d-671c-[4](https://github.com/BenjaminMichaelis/DotnetTemplates/actions/runs/15582077750/job/43879591138#step:3:4)f4a-ab81-a46a04abbc1d.ps1:6
Line |
   6 |    if ($tagVersion.StartsWith("v") -or $tagVersion.StartsWith("V")) {
     |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     | You cannot call a method on a null-valued expression.
Error: Process completed with exit code 1.