Add versionchanged

Author: hynek

CHANGELOG.md

@@ -43,7 +43,7 @@ You can find our backwards-compatibility policy [here](https://github.com/hynek/
 
   [#677](https://github.com/hynek/structlog/pull/677)
 
-- `structlog.tracebacks.ExceptionDictTransformer` now actually accepts `None` `locals_max_length` and `locals_max_string`.
+- `structlog.tracebacks.ExceptionDictTransformer` now actually accepts `None` for `locals_max_length` and `locals_max_string`.
 
   [#675](https://github.com/hynek/structlog/pull/675)
 

src/structlog/tracebacks.py

@@ -368,6 +368,10 @@ class ExceptionDictTransformer:
     .. versionchanged:: 24.3.0
        Added *locals_max_length*, *locals_hide_sunder*, *locals_hide_dunder*,
        *suppress* and *use_rich* arguments.
+
+    .. versionchanged:: 25.1.0
+       *locals_max_length* and *locals_max_string* may be None to disable
+       truncation.
     """
 
     def __init__(