Fix runner name in test_runners.yml

Author: l1l1l1l

.github/workflows/test_runners.yml

@@ -4,7 +4,7 @@ on: [push]
 jobs:
   Explore-GitHub-Actions:
     # You need to use the INSTALLATION_NAME from the previous step
-    runs-on:  bj-gpu-03
+    runs-on:  bj-gpu03
     container:
       image: ccr-2vdh3abv-pub.cnc.bj.baidubce.com/paddlepaddle/paddle:3.2.1-gpu-cuda11.8-cudnn8.9
     steps: