Bump Bullseye from 4.2.1 to 5.0.0 in /build (#116)

Bumps [Bullseye](https://github.com/adamralph/bullseye) from 4.2.1 to 5.0.0.
- [Changelog](https://github.com/adamralph/bullseye/blob/main/CHANGELOG.md)
- [Commits](adamralph/bullseye@4.2.1...5.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build/build.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Bullseye" Version="4.2.1" />
+    <PackageReference Include="Bullseye" Version="5.0.0" />
     <PackageReference Include="SimpleExec" Version="11.0.0" />
     <PackageReference Include="System.Text.Json" Version="8.0.1" />
   </ItemGroup>