Release 3.11.0 - Improved ISO8601 support

What's Changed

• Added new Cardo podcast player to list of compatible clients by @cardo-podcast in #176
• Allow all ISO 8601 timestamps by @JonOfUs in #187
• Interpret and write UTC by default by @JonOfUs in #188

New Contributors

• @cardo-podcast made their first contribution in #176

Full Changelog: 3.10.0...3.11.0