[Doc] backport 0.13.0 release note (#6584)

### What this PR does / why we need it?
Backport 0.13.0 release note to main branch and update related doc link

### Does this PR introduce _any_ user-facing change?
yes
### How was this patch tested?
by doc CI

- vLLM version: v0.15.0
- vLLM main:
d7e17aaacd

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

docs/source/_templates/sections/header.html

@@ -54,5 +54,5 @@
   </style>
   
   <div class="notification-bar">
-    <p>You are viewing the latest developer preview docs. <a href="https://docs.vllm.ai/projects/ascend/en/v0.11.0">Click here</a> to view docs for the latest stable release(v0.11.0).</p>
+    <p>You are viewing the latest developer preview docs. <a href="https://docs.vllm.ai/projects/ascend/en/v0.13.0">Click here</a> to view docs for the latest stable release(v0.13.0).</p>
   </div>