update changelog fragement for slug conversion

Author: mabezi

changelogs/fragments/1499-fix-regex-pattern.yml

@@ -0,0 +1,7 @@
+---
+bugfixes:
+  - Adjust regex pattern for character conversion for slugs
+  - Only do slug generation in netbox_secret if needed
+  - Make slug generation optional by providing `slug` key
+breaking_changes:
+  - This changes the behavior for generating slugs. If you were relying on the previous behavior, you need to be aware that this behavior has changed.