news: describe fixed regression in past tense

Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu>

Author: bgilbert

_includes/news.md

@@ -3,7 +3,7 @@
 ## Binary build 4.0.0.12, 2026-03-08
 
 [Binary build 4.0.0.12][bin-4.0.0.12] fixes a regression in build 4.0.0.10
-that returns uninitialized data in the bottom tile row of non-JPEG, non-JP2K
+that returned uninitialized data in the bottom tile row of non-JPEG, non-JP2K
 TIFF levels, and updates various dependencies.
 
 [bin-4.0.0.12]: https://github.com/openslide/openslide-bin/releases/tag/v4.0.0.12