CHANGES: correct 2025.02.3 formatting

Commit b55957fa65a5 ("CHANGES: Update for 2025.02.3" added an entry for
2025.02.3, but forgot to add an empty line after the title.  Fix that.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

CHANGES

@@ -161,6 +161,7 @@
 	libopenh264, libssh, netsnmp, ninja, qt5base, ripgrep, sox, tinyxml
 
 2025.02.3, released May 19th, 2025
+
 	Build issues and other problems solved for packages:
 
         libcap