Add release note for v0.9.1rc2 (#2188)

### What this PR does / why we need it?
Add release note for v0.9.1rc2

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
CI passed

- vLLM version: v0.10.0
- vLLM main:
vllm-project/vllm@c494f96

Signed-off-by: Yikun Jiang <[email protected]>

Author: Yikun

README.md

@@ -52,6 +52,7 @@ Please use the following recommended versions to get started quickly:
 | Version    | Release type | Doc                                  |
 |------------|--------------|--------------------------------------|
 |v0.9.2rc1|Latest release candidate|[QuickStart](https://vllm-ascend.readthedocs.io/en/latest/quick_start.html) and [Installation](https://vllm-ascend.readthedocs.io/en/latest/installation.html) for more details|
+|v0.9.1rc2|Next stable release|[QuickStart](https://vllm-ascend.readthedocs.io/en/v0.9.1-dev/quick_start.html) and [Installation](https://vllm-ascend.readthedocs.io/en/v0.9.1-dev/installation.html) for more details|
 |v0.7.3.post1|Latest stable version|[QuickStart](https://vllm-ascend.readthedocs.io/en/stable/quick_start.html) and [Installation](https://vllm-ascend.readthedocs.io/en/stable/installation.html) for more details|
 
 ## Contributing

README.zh.md

@@ -52,6 +52,7 @@ vLLM 昇腾插件 (`vllm-ascend`) 是一个由社区维护的让vLLM在Ascend NP
 | Version    | Release type | Doc                                  |
 |------------|--------------|--------------------------------------|
 |v0.9.2rc1| 最新RC版本 |请查看[快速开始](https://vllm-ascend.readthedocs.io/en/latest/quick_start.html)和[安装指南](https://vllm-ascend.readthedocs.io/en/latest/installation.html)了解更多|
+|v0.9.1rc2| 下一个正式/稳定版 |[快速开始](https://vllm-ascend.readthedocs.io/en/v0.9.1-dev/quick_start.html) and [安装指南](https://vllm-ascend.readthedocs.io/en/v0.9.1-dev/installation.html)了解更多|
 |v0.7.3.post1| 最新正式/稳定版本 |请查看[快速开始](https://vllm-ascend.readthedocs.io/en/stable/quick_start.html)和[安装指南](https://vllm-ascend.readthedocs.io/en/stable/installation.html)了解更多|
 
 ## 贡献

docs/source/community/versioning_policy.md

@@ -23,6 +23,7 @@ Following is the Release Compatibility Matrix for vLLM Ascend Plugin:
 | vLLM Ascend | vLLM         | Python           | Stable CANN | PyTorch/torch_npu  | MindIE Turbo |
 |-------------|--------------|------------------|-------------|--------------------|--------------|
 | v0.9.2rc1   | v0.9.2       | >= 3.9, < 3.12   | 8.1.RC1     | 2.5.1 / 2.5.1.post1.dev20250619      |              |
+| v0.9.1rc2   | v0.9.1       | >= 3.9, < 3.12   | 8.1.RC1     | 2.5.1 / 2.5.1.post1|              |
 | v0.9.1rc1   | v0.9.1       | >= 3.9, < 3.12   | 8.1.RC1     | 2.5.1 / 2.5.1.post1.dev20250528      |              |
 | v0.9.0rc2   | v0.9.0       | >= 3.9, < 3.12   | 8.1.RC1     | 2.5.1 / 2.5.1      |              |
 | v0.9.0rc1   | v0.9.0       | >= 3.9, < 3.12   | 8.1.RC1     | 2.5.1 / 2.5.1      |              |
@@ -37,6 +38,7 @@ Following is the Release Compatibility Matrix for vLLM Ascend Plugin:
 
 | Date       | Event                                     |
 |------------|-------------------------------------------|
+| 2025.08.04 | Release candidates, v0.9.1rc2             |
 | 2025.07.11 | Release candidates, v0.9.2rc1             |
 | 2025.06.22 | Release candidates, v0.9.1rc1             |
 | 2025.06.10 | Release candidates, v0.9.0rc2             |

docs/source/faqs.md

@@ -3,6 +3,7 @@
 ## Version Specific FAQs
 
 - [[v0.7.3.post1] FAQ & Feedback](https://github.com/vllm-project/vllm-ascend/issues/1007)
+- [[v0.9.1rc2] FAQ & Feedback](https://github.com/vllm-project/vllm-ascend/issues/1487)
 - [[v0.9.2rc1] FAQ & Feedback](https://github.com/vllm-project/vllm-ascend/issues/1742)
 
 ## General FAQs