Move changelog entry to next release

CHANGELOG.md

@@ -28,6 +28,9 @@ You can find our backwards-compatibility policy [here](https://github.com/hynek/
 
 - `structlog.threadlocal.tmp_bind()` now also works with `BoundLoggerLazyProxy` (in other words: before anything is bound to a bound logger).
 
+- stdlib: `ProcessorFormatter` can now be told to now render the log record message using `getMessage` and just `str(record.msg)` instead.
+  [#550](https://github.com/hynek/structlog/issues/550)
+
 - stdlib: `structlog.stdlib.BoundLogger.exception()`'s handling of`LogRecord.exc_info` is now set consistent with `logging`.
   [#571](https://github.com/hynek/structlog/issues/571)
   [#572](https://github.com/hynek/structlog/issues/572)
@@ -54,8 +57,6 @@ You can find our backwards-compatibility policy [here](https://github.com/hynek/
 - `structlog.dev.RichTracebackFormatter` that allows to configure the traceback formatting.
   [#542](https://github.com/hynek/structlog/issues/542)
 
-- stdlib: `ProcessorFormatter` can now be told to now render the log record message using `getMessage` and just `str(record.msg)` instead.
-  [#550](https://github.com/hynek/structlog/issues/550)
 
 
 ### Fixed