[CHANGE] Updated publish nuget commandline & updated projects target framework.

.gitea/workflows/BuildLibrary.yml

@@ -42,8 +42,10 @@ jobs:
             --password $GITEA_TOKEN \
             --store-password-in-clear-text \
             --name gitea \
+            --api-key SILENCE_API_KEY_WARNING \ # An random value to silence the 'No API key found' warning.
             https://git.netzbyte.com/api/packages/$GITEA_USER/nuget/index.json
           
+          # --skip-duplicate prevents errors if the package already exists.
           dotnet nuget push ./artifacts/*.nupkg --source gitea --skip-duplicate
         env:
           GITEA_USER: max