Release 77

What's Changed

• [AB#39575] Add channels in catalog service queries by @BenjaminSchwendner in #119
• [AB#40732] feat: 🧑‍💻 introduce user-auth-proxy to support localhost development by @EmperorRXF in #123
• [AB#40647] feat: adding support for channel playout & event listeners that report SCTE events on playout scenarios by @BenjaminSchwendner in #128

Full Changelog: release-75...release-77