bump CI images

bertiethorpe · bertiethorpe · commit 18d0726e6a90 · 2025-07-31T13:28:59.000Z
diff --git a/environments/.stackhpc/tofu/cluster_image.auto.tfvars.json b/environments/.stackhpc/tofu/cluster_image.auto.tfvars.json
@@ -1,6 +1,6 @@
 {
     "cluster_image": {
-        "RL8": "openhpc-RL8-250708-1502-1494192e",
-        "RL9": "openhpc-RL9-250708-1547-1494192e"
+        "RL8": "openhpc-RL8-250731-1310-5639c2a4",
+        "RL9": "openhpc-RL9-250731-1310-5639c2a4"
     }
 }
