⚡️ Bump Go 1.19 + Atreugo 11.9.7 + set `GOAMD64=v3`

[0uep]

Since 2019 I visit https://www.techempower.com/benchmarks/ twice a year and discover each time new changes in the ranked web frameworks. Thank you very much for maintaining that over the years. ❤️

I am currently upgrading most of the Go frameworks to clean the Dockerfiles, align them on Go-1.19, set GOAMD64=v3 and more…

This PR is just about Atreugo. I will create new PR for the others Go frameworks when in the coming day(s)…

This PR also bumps Atreugo from v11.8.4 to v11.9.7 and upgrades dependencies.