feat: enforce AUTODEPLOY_TO_PROD and PUBLISH_ON_PROD as boolean variables

templates/gitlab-ci-helm.yml

@@ -1016,7 +1016,7 @@ helm-production:
     # if $AUTODEPLOY_TO_PROD: auto
     - if: $AUTODEPLOY_TO_PROD
     # else if PUBLISH_ON_PROD enabled: auto (because the publish job was blocking)
-    - if: '$PUBLISH_ON_PROD == "true" || $PUBLISH_ON_PROD == "yes"'
+    - if: '$PUBLISH_ON_PROD == "true"'
     # else: manual, blocking
     - if: $CI_COMMIT_REF_NAME # useless test, just to prevent GitLab warning
       when: manual