Chroe: Update the 'title' of 'abi-stability.md' (#1941)

Change it to the Chinese translation to make it in union with Chinese translations.

Author: Maledong

locale/zh-cn/docs/guides/abi-stability.md

@@ -1,5 +1,5 @@
 ---
-title: ABI Stability
+title: ABI 的稳定性
 layout: docs.hbs
 ---