message: meta: Include 2.1.1 patch in changelog
diff: - fix: Add fallback envelope item type to iOS. #1283
  - feat: Auto performance tracing with XHR/fetch, and routing instrumentation #1230
  +## 2.1.1
  +
  + - build(android): Bump `sentry-android` to 3.2.1 #1296
  +
  ## 2.1.0
  - feat: Include @sentry/tracing and expose startTransaction #1167
  