add no-op jobs

.gitlab/kernel_matrix_testing/security_agent.yml

@@ -411,35 +411,54 @@ kmt_run_secagent_tests_arm64_docker:
   variables:
     TEST_COMPONENT: security-agent
 
-kmt_secagent_cleanup_arm64:
-  when: always
+.kmt_secagent_tests_join:
+  stage: kernel_matrix_testing_cleanup
+  rules: !reference [.on_security_agent_changes_or_manual]
+  image: registry.ddbuild.io/ci/datadog-agent-buildimages/system-probe_arm64$DATADOG_AGENT_SYSPROBE_BUILDIMAGES_SUFFIX:$DATADOG_AGENT_SYSPROBE_BUILDIMAGES
+  tags: ["arch:arm64"]
+  script:
+    - echo "nothing to do here"
+
+kmt_secagent_tests_join_arm64:
   extends:
-    - .kmt_secagent_cleanup
+    - .kmt_secagent_tests_join
   needs:
-    - kmt_setup_env_secagent_arm64
     - kmt_run_secagent_tests_arm64
     - kmt_run_secagent_tests_arm64_ad
     - kmt_run_secagent_tests_arm64_ebpfless
     - kmt_run_secagent_tests_arm64_fentry
     - kmt_run_secagent_tests_arm64_docker
-    - upload_dependencies_secagent_arm64
+
+kmt_secagent_cleanup_arm64:
+  when: always
+  extends:
+    - .kmt_secagent_cleanup
+  needs:
+    - kmt_setup_env_secagent_arm64
+    - kmt_secagent_tests_join_arm64
     - upload_secagent_tests_arm64
   variables:
     ARCH: arm64
     INSTANCE_TYPE: "m6gd.metal"
 
-kmt_secagent_cleanup_x64:
-  when: always
+kmt_secagent_tests_join_x64:
   extends:
-    - .kmt_secagent_cleanup
+    - .kmt_secagent_tests_join
   needs:
-    - kmt_setup_env_secagent_x64
     - kmt_run_secagent_tests_x64
     - kmt_run_secagent_tests_x64_required
     - kmt_run_secagent_tests_x64_ad
     - kmt_run_secagent_tests_x64_ebpfless
     - kmt_run_secagent_tests_x64_fentry
     - kmt_run_secagent_tests_x64_docker
+
+kmt_secagent_cleanup_x64:
+  when: always
+  extends:
+    - .kmt_secagent_cleanup
+  needs:
+    - kmt_setup_env_secagent_x64
+    - kmt_secagent_tests_join_x64
     - upload_dependencies_secagent_x64
     - upload_secagent_tests_x64
   variables: