backport #61360 change of release public registry (#61643)

Author: burmudar

dev/ci/internal/ci/release_operations.go

@@ -20,7 +20,7 @@ func releasePromoteImages(c Config) operations.Operation {
 			bk.Agent("queue", AspectWorkflows.QueueDefault),
 			bk.Env("VERSION", c.Version),
 			bk.Env("INTERNAL_REGISTRY", images.SourcegraphInternalReleaseRegistry),
-			bk.Env("PUBLIC_REGISTRY", images.SourcegraphPublicReleaseRegistry),
+			bk.Env("PUBLIC_REGISTRY", images.SourcegraphDockerPublishRegistry),
 			bk.AnnotatedCmd(
 				fmt.Sprintf("./tools/release/promote_images.sh %s", image_args),
 				bk.AnnotatedCmdOpts{