[XPU][CI] lock xvllm version for fix bug (#7264) (#7266)

* Remove duplicate NICs from environment variables

* Update version for xvllm in download_dependencies.sh

Co-authored-by: Jiaxin Sui <95567040+plusNew001@users.noreply.github.com>

Author: EmmonsCurse

custom_ops/xpu_ops/download_dependencies.sh

@@ -15,7 +15,7 @@ if [ "$1" == "stable" ]; then
     version_xvllm="20251017"
     version_xtdk="3.4.0.1"
 else
-    version_xvllm="latest"
+    version_xvllm="20260407"
     version_xtdk="latest"
 fi