[Bugfix] Fix deepseek percision issue and add acc ci for it (#905)

### What this PR does / why we need it?
Fix deepseek percision issue on V0 and add acc ci for it
Fixes https://github.com/vllm-project/vllm-ascend/issues/1062
### How was this patch tested?
CI passed with new added test.

Signed-off-by: MengqingCao <cmq0113@163.com>

tests/conftest.py

@@ -354,4 +354,4 @@ def prompt_template(request):
 
 @pytest.fixture(scope="session")
 def ilama_lora_files():
-    return snapshot_download(repo_id="jeeejeee/ilama-text2sql-spider")
+    return snapshot_download(repo_id="jeeejeee/ilama-text2sql-spider")