Update changelog

Author: whatyouhide

CHANGELOG.md

@@ -5,14 +5,8 @@
 ### Various fixes & improvements
 
 - Attempt to scrub all `Plug.Conn`s in `Sentry.PlugCapture` (#619) by @whatyouhide
-- update craft config for release registry (#621) by @stephanie-anderson
-- Bring README and CONTRIBUTING in line with SDKs (#620) by @whatyouhide
-- Do a little README makeover (6c5703a0) by @whatyouhide
-- More module grouping in the docs (ff0bbbed) by @whatyouhide
-- Clean up docs for Sentry.PlugContext (a60a2944) by @whatyouhide
-- Fix t:Sentry.Context.t/0 (#618) by @whatyouhide
-- Apply :sample_rate after callbacks (ab5c7485) by @whatyouhide
-- Add tests around SASL reports in Sentry.LoggerHandler (dd0c61be) by @whatyouhide
+- Fix typespec for the `Sentry.Context.t/0` type (#618) by @whatyouhide
+- Apply `:sample_rate` *after* event callbacks, rather than *before* (ab5c7485) by @whatyouhide
 
 ## 9.0.0