Lower number of parallel jobs in ci

Author: psgreco

.cirrus.yml

@@ -127,11 +127,11 @@ task:
   << : *GLOBAL_TASK_TEMPLATE
   container:
     image: ubuntu:jammy
-    cpu: 6  # Increase CPU and Memory to avoid timeout
+    cpu: 8  # Increase CPU and Memory to avoid timeout
     memory: 24G
   env:
     << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
-    MAKEJOBS: "-j6" # ELEMENTS: reduced from -j8
+    MAKEJOBS: "-j2" # ELEMENTS: reduced from -j8
     FILE_ENV: "./ci/test/00_setup_env_native_tsan.sh"
 
 task: