Update Xray-core to version v25.3.6

[xray]

Author: outspace

.github/workflows/build_xray.yml

@@ -159,7 +159,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: XTLS/Xray-core
-          ref: main
+          ref: v25.3.6
           path: xray-core
 
       - name: Show workflow information