Introduce `.git-blame-ignore-revs`

File-based namespaces modernization

Add recommended extensions and auto-sign-off for vscode

Modernize ASP.NET Core samples

Modernize infrastructure

Update System.Text.Json to 8.0.5

Update .NET SDK to 8.0.400

Remove SourceLink package reference

migrate to central package management (#303)

Update the minor version we check against for compatibility

Release 2.8.0

Fix Kafka test which was broken by xUnit upgrade

Update unit test parameter nullability

Update dependencies

Update CloudNative.CloudEvents.Mqtt to MQTTnet version 4.3.6.1152