[Breaking change]: Updating target framework to .NET 7 and ASP.NET Core to version 7

[bergmania]

Description

The target framework will be updated to .NET 7 and the web framework ASP.NET Core will be version 7.

PR that makes the change: N/A

Version

Umbraco 11.0.0-rc1

Previous behaviour

Target framework .NET 6 and ASP.NET Core version 6

New behaviour

Target framework .NET 7 and ASP.NET Core version 7

Type of breaking change

• Binary incompatible: Existing binaries may encounter a breaking change in behaviour, such as failure to load/execute or different run-time behaviour.

• Source incompatible: Source code may encounter a breaking change in behaviour when targeting the new runtime/component/SDK, such as compile errors or different run-time behaviour.

• Behavioral change: Existing code and binaries may experience different run-time behaviour.

Reason for change

Stay on the latest .NET version and have access to C# 11 features.

Recommended action

Read through the breaking changes in the dependencies and update accordingly.

• Breaking changes in .NET 7

Affected APIs

• Breaking changes in .NET 7