[CI] Adjust memory limits and requests

This patch bumps some memory limits/requests to more reasonable values.
I'm suspecting that these limits might be causing processes to get killed
prematurely, but I'm not entirely sure.

Author: boomanaiden154

premerge/linux_container_pod_template.yaml

@@ -20,7 +20,7 @@ spec:
       # It's not used for scheduling, but can be used by k8 for OOM kill.
       requests:
         cpu: "100m"
-        memory: "25Gi"
+        memory: "230Gi"
       limits:
         cpu: 64
         memory: "256Gi"

premerge/linux_runners_values.yaml

@@ -48,10 +48,10 @@ template:
         # OOM killed.
         requests:
           cpu: 55
-          memory: "2Gi"
+          memory: "8Gi"
         limits:
           cpu: 64
-          memory: "2Gi"
+          memory: "8Gi"
       env:
         - name: ACTIONS_RUNNER_CONTAINER_HOOKS
           value: /home/runner/k8s/index.js