v9.15.2

What's Changed

• docs: [FC-0074] add how-to add event bus support to an Open edX Event by @mariajgrimaldi in #428
• docs: [FC-0074] add ADR with event design suggestions by @mariajgrimaldi in #438
• docs: [FC-0074] add docs about creating and consuming events by @mariajgrimaldi in #439
• feat: [FC-0074] add event trigger information in code annotations by @mariajgrimaldi in #443

Full Changelog: v9.15.1...v9.15.2