Try harder.

Migrate to slnx file, upgrade packages and fix a bug.

Fix Dockerfile version.

Upgrade to .NET 9.0

A few more tweaks

Upgrade to .NET 8.0 (dotnet#102)

* Checkpoint

* Skip impossible test for now...

* Dockerfile too

* Fix rebase issues.

* A bit of clean up

* Not sure

* Apply suggestions from code review

Fix issue with generated URL (dotnet#76)

* Fix URL creation

* Perpare unit tests

Update README.md

Add out of support within days config (dotnet#68)

Update dog-food.yml (dotnet#55)