### What this PR does / why we need it? This patch add a schedule triggered workflow for auto upgrade e2e estimated-time for batter load balance 1. The workflow will run the full e2e test to get the duration of each test. 2. The script `update_estimated_time.py` will upgrade the [config.json](https://github.com/vllm-project/vllm-ascend/blob/main/.github/workflows/scripts/config.yaml) according to the latest time 3. The workflow will submit a pull request that includes changes to `config.json` automatically <img width="2484" height="764" alt="image" src="https://github.com/user-attachments/assets/02f3459c-bb3b-4f8e-9966-8bb2e5c1bbea" /> ### Does this PR introduce _any_ user-facing change? ### How was this patch tested? - vLLM version: v0.15.0 - vLLM main:83b47f67b1- ### Does this PR introduce _any_ user-facing change? ### How was this patch tested? - vLLM version: v0.15.0 - vLLM main:83b47f67b1--------- Signed-off-by: wangli <wangli858794774@gmail.com>