Cherry-pick f890ea0 for a less prominent NO_BACKSLASH_ESCAPES option. (#879)
Cherry-pick f890ea0 for a less prominent NO_BACKSLASH_ESCAPES option. (#879)

Use Azure Pipelines feed from 2.2.6.
Update schedule. Let's use the ISO 8601 date format, as U.S. dates are confusing to everybody else.
Add `TreatTinyAsBoolean=true` to scaffolding example, to make this as an option more explicit.
PomeloFoundation/Pomelo.EntityFrameworkCore.MySql,PomeloFoundation/Pomelo.EntityFrameworkCore.MySql