Regenerated sprites with fewer in each row

(to avoid issues with generation on vanilla ImageMagick installs).
No visual change

Author: Andy Townsend

resources/changelog_svwd01.md

@@ -2,6 +2,9 @@
 See also the [changelog](https://github.com/SomeoneElseOSM/SomeoneElse-vector-web-display/blob/main/changelog.md) for the scripts here.
 Except as noted, all changes also apply to the [SVWD06 Android native display style](https://github.com/SomeoneElseOSM/SomeoneElse-vector-web-display/blob/main/resources/README_svwd06.md).  
 
+## 28/07/2025
+Regenerated sprites with fewer in each row (to avoid issues with generation on vanilla ImageMagick installs).  No visual change
+
 ## 24/07/2025
 Show hedges in a slightly darker colour than wood.
 Change MapLibre library to 5.6.1 (likely no visible effect)