Support "republish" in Cloudsmith upload

fix: concurrency config serialization skipped when value equals default

rattler-lock v7: add build & host environments to source data

CLI crash when parsing malformed virtual package version

run_in_environment panics on Zsh, Fish, PowerShell, NuShell, Xonsh

`invalid zip archive (async): zip64 extended information field was too long`

Missing error check for failed HTTP responses in OCI middleware manifest fetch

Explore refactoring rattler_upload tests to use mockito

Bug: Spurious "already defined" warning in collect_env_vars due to always-true contains_key check

rattler.package_streaming efficiency