Build: Upgrading vLLM version for 24.08 release (#7539)

build.py

@@ -76,7 +76,7 @@
         "2024.0.0",  # ORT OpenVINO
         "2024.0.0",  # Standalone OpenVINO
         "3.2.6",  # DCGM version
-        "0.5.3.post1",  # vLLM version
+        "0.5.4",  # vLLM version
     )
 }