fix: Memory usage under cgroup v2

Author: bric3

.circleci/config.continue.yml.j2

@@ -179,9 +179,11 @@ commands:
   display_memory_usage:
     steps:
       - run:
-          name: Max Memory Used
+          name: Memory Peak Usage
           # The file does not seem to exist when DLC is disabled
-          command: cat /sys/fs/cgroup/memory/memory.max_usage_in_bytes || true
+          command: |
+            cat /sys/fs/cgroup/memory/memory.max_usage_in_bytes || \
+            cat /sys/fs/cgroup/memory.peak || true
           when: always