### What this PR does / why we need it?
Add support for Ascend A3 and remove latest tag
### Does this PR introduce _any_ user-facing change?
User can run vLLM on Altlas A3 series
### How was this patch tested?
CI passed with:
- remove latest tag test:
https://github.com/wxsIcey/wxs-vllm-ascend/actions/runs/16267635040/job/45926924765
- E2E image build for A3
- CI test on A3 with e2e test and longterm test
- Unit test missing because need a real A3 hardware to have a test
Closes: https://github.com/vllm-project/vllm-ascend/issues/1696
- vLLM version: v0.9.2
- vLLM main:
d0dc4cfca4
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Signed-off-by: Icey <1790571317@qq.com>