docs: ready for v11

Author: kazupon

README.md

@@ -121,8 +121,7 @@ Vue I18n is part of the Vue Ecosystem and Intlify Project is an open source proj
 <br/>
 
 ## Status: [![CI](https://github.com/intlify/vue-i18n/actions/workflows/ci.yml/badge.svg)](https://github.com/intlify/vue-i18n/actions/workflows/ci.yml)
-- v9: Stable
-- v10: Beta
+- v10: stable (About maintenance status, see the [here](https://vue-i18n.intlify.dev/guide/maintenance.html))
 - [Documentation](https://vue-i18n.intlify.dev/)
 - If you use Vue I18n v8 for Vue 2, see this [repository](https://github.com/kazupon/vue-i18n)
 

docs/guide/maintenance.md

@@ -4,10 +4,7 @@ Vue I18n and related intlify packages has a lifecycle.
 
 The following is the maintenance status for each version:
 
-<img src="/lifecycle2024.svg" alt="Vue I18n Maintenance Status" />
+<img src="/lifecycle2025.svg" alt="Vue I18n Maintenance Status" />
 
 > [!IMPORTANT]
-The lifecycle of Vue I18n v10 has not yet been decided. It will be decided after the release of Vue I18n v11.
-
-> [!NOTE]
-The lifecycle period after v10 may change depending on the frequency of major releases.
+Vue I18n v8 is no longer supported after 2025. Vue I18n v9 is in maintenance mode after 2025.

docs/guide/migration/breaking11.md

@@ -1,9 +1,5 @@
 # Breaking Changes in v11
 
-:::warning NOTICE
-Vue I18n v11 is still beta
-:::
-
 ## Deprecate Legacy API mode
 
 ### Reason