build(deps): bump dbup-core from 5.0.87 to 6.0.4

Bumps [dbup-core](https://github.com/DbUp/DbUp) from 5.0.87 to 6.0.4.
- [Release notes](https://github.com/DbUp/DbUp/releases)
- [Changelog](https://github.com/DbUp/DbUp/blob/main/docs/breaking-changes.md)
- [Commits](DbUp/DbUp@5.0.87...6.0.4)

---
updated-dependencies:
- dependency-name: dbup-core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Directory.Packages.props

@@ -18,7 +18,7 @@
 		</PackageVersion>
 		<PackageVersion Include="CsvHelper" Version="33.0.1"/>
 		<PackageVersion Include="Dapper" Version="2.1.35"/>
-		<PackageVersion Include="dbup-core" Version="5.0.87"/>
+		<PackageVersion Include="dbup-core" Version="6.0.4"/>
 		<PackageVersion Include="dbup-postgresql" Version="5.0.40"/>
 		<PackageVersion Include="dbup-sqlite" Version="5.0.40"/>
 		<PackageVersion Include="DotNet.ReproducibleBuilds" Version="1.2.25"/>