v6.1.0

What's Changed

• feat: support parallel uploads by @bobbyg603 in #43
• fix: serialize zips to disk before uploading by @bobbyg603 in #45
• fix: upload nested files that share the same name (index.js.map, bin/index.js.map) by @bobbyg603 in #45

Full Changelog: v6.0.1...v6.1.0