1.4.0

What's Changed

• sync main to docs by @nicelizhi in #66
• sync main to docs (#66) by @nicelizhi in #68
• sync main to dev-1.4.0 by @nicelizhi in #69
• Bump golang.org/x/crypto from 0.14.0 to 0.15.0 by @dependabot in #73
• Bump github.com/casbin/casbin/v2 from 2.77.2 to 2.79.0 by @dependabot in #75
• Bump github.com/opentracing/opentracing-go from 1.1.0 to 1.2.0 by @dependabot in #74
• Bump gorm.io/driver/postgres from 1.5.3 to 1.5.4 by @dependabot in #72
• Dev 1.4.0 by @nicelizhi in #79

Full Changelog: 1.3.0...1.4.0