ci: Reduce tsan CPU and memory for faster scheduling

.cirrus.yml

@@ -243,8 +243,8 @@ task:
   name: '[TSan, depends, gui] [lunar]'
   << : *GLOBAL_TASK_TEMPLATE
   container:
-    cpu: 6  # Increase CPU and Memory to avoid timeout
+    cpu: 4
-    memory: 24G
+    memory: 16G  # The default memory is too small, so double everything
     docker_arguments:
       CI_IMAGE_NAME_TAG: ubuntu:lunar
       FILE_ENV: "./ci/test/00_setup_env_native_tsan.sh"
@@ -298,7 +298,7 @@ task:
   << : *GLOBAL_TASK_TEMPLATE
   container:
     cpu: 4
-    memory: 16G  # The default memory is sometimes just a bit too small, so double everything
+    memory: 16G  # The default memory is too small, so double everything
     docker_arguments:
       CI_IMAGE_NAME_TAG: ubuntu:focal
       FILE_ENV: "./ci/test/00_setup_env_i686_multiprocess.sh"