* Retarget .NET 5.

* Delete binaries

* Create ClickOnce publish profile.

* Add IncludeAllContentForSelfExtract

* Retarget .NET 5.

* Delete binaries

* Create ClickOnce publish profile.

* Add IncludeAllContentForSelfExtract

* Remove trim publish option.

* Update Program.cs

* Bump .NET Framework apps up to v4.8.

* Remove use of obsolete DatabaseErrorPageMiddleware.

* Delete ClickOnce-Win10-x64.pubxml