FIX: Add FORCE_S3_UPLOADS env to the list of allowed env vars

FIX: Add FORCE_S3_UPLOADS env to the list of allowed env vars

This fixes using GCP storage for assets

diff --git a/lib/docker_manager/upgrader.rb b/lib/docker_manager/upgrader.rb
index 6dc2002..0d8b417 100644
--- a/lib/docker_manager/upgrader.rb
+++ b/lib/docker_manager/upgrader.rb
@@ -144,6 +144,7 @@ class DockerManager::Upgrader
       SHELL
       PATH
       COMPRESS_BROTLI
+      FORCE_S3_UPLOADS
     }
 
     clear_env = Hash[*ENV.map { |k, v| [k, nil] }

GitHub sha: b1a85b04