Update CI badge workflow name in README

Update the README build status badge to reference the renamed GitHub Actions workflow 'Build' instead of '.NET Core'. Adjusts the badge image path and the actions link query so the badge points to the new workflow.

Author: anthony-keller

README.md

@@ -4,7 +4,7 @@ Triggers for EF Core. Respond to changes in your DbContext before and after they
 This is the [AutoGuru](https://github.com/autoguru-au)-maintained fork, targeting .NET 9 / EF Core 9. Published as `AutoGuru.*` NuGet packages.
 
 [![NuGet version (AutoGuru.EntityFrameworkCore.Triggered)](https://img.shields.io/nuget/v/AutoGuru.EntityFrameworkCore.Triggered.svg?style=flat-square)](https://www.nuget.org/packages/AutoGuru.EntityFrameworkCore.Triggered/)
-[![Build status](https://github.com/autoguru-au/EntityFrameworkCore.Triggered/workflows/.NET%20Core/badge.svg)](https://github.com/autoguru-au/EntityFrameworkCore.Triggered/actions?query=workflow%3A%22.NET+Core%22)
+[![Build status](https://github.com/autoguru-au/EntityFrameworkCore.Triggered/workflows/Build/badge.svg)](https://github.com/autoguru-au/EntityFrameworkCore.Triggered/actions?query=workflow%3ABuild)
 
 ## NuGet packages
 - AutoGuru.EntityFrameworkCore.Triggered [![NuGet version](https://img.shields.io/nuget/v/AutoGuru.EntityFrameworkCore.Triggered.svg?style=flat-square)](https://www.nuget.org/packages/AutoGuru.EntityFrameworkCore.Triggered/) [![NuGet](https://img.shields.io/nuget/dt/AutoGuru.EntityFrameworkCore.Triggered.svg?style=flat-square)](https://www.nuget.org/packages/AutoGuru.EntityFrameworkCore.Triggered/)