Update CreateIso alias to use Cake's DirectoryPath & FilePath

[C. Augusto Proiete]

From:

CreateIso(this ICakeContext context, string inputPath, string outputPath, string volumeIdentifier)

To:

CreateIso(this ICakeContext context, DirectoryPath inputPath, FilePath outputPath, string volumeIdentifier)

[C. Augusto Proiete]

🎉 The changes implemented in response to this issue shipped with Cake.ISO v2.0.0

The release is available on:

• 🚀 GitHub Release
• 📦 NuGet Package