v0.3.0

What's Changed

• Return ctx.Err() from RunWithContext() and Run() by @floatingstatic in #50
• Fix packet loss stat zero division by @floatingstatic in #51
• Bump golang.org/x/net from 0.10.0 to 0.11.0 by @dependabot in #53
• Bump golang.org/x/sync from 0.2.0 to 0.3.0 by @dependabot in #54
• Synchronize common files from prometheus/prometheus by @prombot in #55

Full Changelog: v0.2.0...v0.3.0