message: meta: v5.6.0 changelog, but for real this time
diff: - [browser] feat: Add support for custom schemes to Tracekit
  - [browser] ref: Better UnhandledRejection messages (#2185)
  - [browser] test: Complete rewrite of Browser Integration Tests (#2176)
  +- [node] feat: Add cookies as an optional property in the request handler (#2167)
  - [node] ref: Unify method name casing in breadcrumbs (#2183)
  - [integrations] feat: Add logErrors option to Vue integration (#2182)
  