Disable syncing to DockerHub and ECR temporary

Author: ggeorgiev-gitlab

.gitlab/ci/release.gitlab-ci.yml

@@ -249,8 +249,8 @@ stable sync docker images:
     - stable docker images
     - stable helper docker images
   variables:
-    PUSH_TO_DOCKER_HUB: "true"
-    PUSH_TO_ECR_PUBLIC: "true"
+    PUSH_TO_DOCKER_HUB: "false"
+    PUSH_TO_ECR_PUBLIC: "false"
 
 stable gitlab release:
   stage: postrelease