Deprecated options

Note the output of the run, some deprecated options of `dotnet-format`  are used:


```
Run xt0rted/dotnet-format@v1
Checking 7 files
/usr/bin/dotnet format --check --dry-run --files _somefiles_
  The `--files` option is deprecated. Use the `--include` option instead.
  The `--dry-run` option is deprecated. Use the `--check` option instead.
```