Updates to .NET 8, updates nuget libraries, Fixes Sewage Cases by cha…

…nging flow type from int to float

Bump version

Typo: coverageRatio

Bump .NET to 7.0 also in devcontainer

to match bb9e27b

Updates versions and readme

* Patients: add red-zone and leadingCovid

Summary: add daily new cases to CasesAvg7Days

Update devcontainer config

* updated to .net 6.0

Try to comment out OwidController #2

Bump version