v6.0.5

What's Changed

• Fix Numbers Api authentication to match Api specs by @Tr00d in #374
• Add latest Messages features by @Tr00d in #369
• Remove hardcoded keys from the repository by @Tr00d in #373
• Use System.Text.Json instead of Newtonsoft for Messages Api by @Tr00d in #366
• New Vonage.Common project by @Tr00d in #332
• Readme update by @Tr00d in #375

Full Changelog: v6.0.4...v6.0.5