update stage name

Signed-off-by: Yuanjing Xue <197832395+yuanjingx87@users.noreply.github.com>

Author: yuanjingx87

jenkins/L0_Test.groovy

@@ -2685,7 +2685,7 @@ def launchTestJobs(pipeline, testFilter)
         "DGX_B200-4_GPUs-PyTorch-2": ["b200-x4", "l0_dgx_b200", 2, 2, 4],
         "DGX_B200-4_GPUs-PyTorch-Ray-1": ["b200-x4", "l0_dgx_b200", 1, 1, 4],
         "DGX_B200-8_GPUs-PyTorch-1": ["b200-x8", "l0_dgx_b200", 1, 1, 8],
-        "DGX_B200-4_GPUs-PyTorch-Post-Merge-1": ["b200-trtllm", "l0_dgx_b200", 1, 1, 10, 1, true],
+        "DGX_B200-10_GPUs-PyTorch-Post-Merge-1": ["b200-trtllm", "l0_dgx_b200", 1, 1, 10, 1, true],
         "DGX_B300-4_GPUs-PyTorch-Post-Merge-1": ["b300-x4", "l0_dgx_b300", 1, 1, 4],
         // Perf sanity post merge test
         // Disable perf stages due to https://nvbugs/5643646