[torchx][CI] Run slurm integration test on linux.24_04.4x

Author: Kiuk Chung

.github/workflows/python-unittests.yaml

@@ -13,7 +13,7 @@ jobs:
         python-version: [3.9, "3.10", 3.11, 3.12]
         platform: [linux.24_04.4x]
         include:
-          - python-version: 3.12
+          - python-version: 3.10
             platform: macos-13-xlarge
       fail-fast: false
     env:

.github/workflows/slurm-local-integration-tests.yaml

@@ -11,7 +11,7 @@ env:
 
 jobs:
   slurm:
-    runs-on: linux.20_04.4x
+    runs-on: linux.24_04.4x
     permissions:
       id-token: write
       contents: read