Bump Koral version to 0.47

Change-Id: I2523b1f8fb91f33b9fb3273b2736f520dead5b93
Reviewed-on: https://korap.ids-mannheim.de/gerrit/c/KorAP/Koral/+/9925
Reviewed-by: margaretha <margaretha@ids-mannheim.de>
diff --git a/Changes b/Changes
index 6451f93..c822316 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,5 @@
+0.47 2025-10-06
+
 0.46 2025-08-06
     - [security] Dependencies updated