Update container image in test_runners.yml

Author: l1l1l1l

.github/workflows/test_runners.yml

@@ -5,6 +5,8 @@ jobs:
   Explore-GitHub-Actions:
     # You need to use the INSTALLATION_NAME from the previous step
     runs-on: iluvatar-gpu-2-1
+    container:
+      image: ubuntu-24.04
     steps:
     - run: echo "🎉 This job uses runner scale set runners!"
     - run: pwd