chore: generate changelog

Author: kazupon

CHANGELOG.md

@@ -1,3 +1,12 @@
+# v6.0.4 (2024-06-10T08:03:28Z)
+
+This changelog is generated by [GitHub Releases](https://github.com/intlify/vue-i18n-extensions/releases/tag/v6.0.4)
+
+*No significant changes*
+
+#####     [View changes on GitHub](https://github.com/intlify/vue-i18n-extensions/compare/v6.0.3...v6.0.4)
+
+
 # v6.0.3 (2024-06-10T07:42:15Z)
 
 This changelog is generated by [GitHub Releases](https://github.com/intlify/vue-i18n-extensions/releases/tag/v6.0.3)