v2.37.0-rc.1

🚀 New

• Route constraints (#1998)
• Add XML to context. (#2003)

🧹 Updates

• Bump github.com/valyala/fasthttp from 1.38.0 to 1.39.0 (#2017)
• Add go 1.19 to tests (#1994)
• Add black colors to default overriding function (#1993)

🐛 Fixes

• Fix proxy overwrote the wrong scheme (#2004)
• Fix infinitely app.Test (#1997)
• Fix gopsutil when compiling for bsd (#1995)

📚 Documentation

• Make Hooks public (#2015)
• Gofmt & add missing copyright texts (#2013)

Thank you @Maxi-Mega, @trim21, @efectn and @wangjq4214 for making this update possible.