SONAR-25113 increase fixture memory to prevent oom killed

Author: jCOTINEAU

.cirrus/tasks.yml

@@ -5,7 +5,7 @@ chart_fixture_test_task:
   eks_container:
     <<: *CONTAINER_TEMPLATE
     cpu: 1
-    memory: 1Gb
+    memory: 2Gb
   <<: *CLONE_SCRIPT_TEMPLATE
   script:
     - ./.cirrus/build_chart_dependencies.sh charts/sonarqube