0.4.0

What's Changed

• Docs/supported versions, update dependabot by @janfuhrer in #17
• 🤖 bump github.com/prometheus/client_golang from 1.19.0 to 1.19.1 by @dependabot in #19
• allow empty string ("") namespace by @nalabelle in #18

New Contributors

• @nalabelle made their first contribution in #18

Full Changelog: 0.3.0...0.4.0