Missing `osbuild-composer.toml`

```
user@desktopa osbuild-getting-started € sudo make run
Makefile: build/osbuild-composer: creating ogsc/build/osbuild-composer:v59
cp: cannot stat './test/data/composer/osbuild-composer.toml': No such file or directory
make: *** [Makefile:59: config/osbuild-composer] Error 1
```