Merge pull request #4047 from DataDog/erikayasuda/cusim-deploy-trigger-fix

fix: Only trigger CuSim/RelEnv deploys on nightly scheduled runs or manual triggers [APMLP-1610]

Author: erikayasuda

.gitlab/generate-package.php

@@ -1709,7 +1709,10 @@ function appsec_image_from_tag_mapping(string $tag): string
   needs:
     - job: "bundle for reliability env"
   rules:
-   - when: on_success
+    - if: $NIGHTLY_BUILD == "true"
+      when: on_success
+    - when: manual
+      allow_failure: true
   trigger:
     project: DataDog/apm-reliability/datadog-reliability-env
     branch: $RELIABILITY_ENV_BRANCH