Bump Microsoft.CodeAnalysis.CSharp from 4.5.0 to 4.8.0

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn) from 4.5.0 to 4.8.0.
- [Release notes](https://github.com/dotnet/roslyn/releases)
- [Changelog](https://github.com/dotnet/roslyn/blob/main/docs/Breaking%20API%20Changes.md)
- [Commits](https://github.com/dotnet/roslyn/commits)

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

src/BUTR.Site.NexusMods.Server/BUTR.Site.NexusMods.Server.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="BUTR.CrashReport.Bannerlord.Parser" Version="13.0.0.32" />
     <PackageReference Include="Community.Microsoft.Extensions.Caching.PostgreSql" Version="4.0.4" />
     <PackageReference Include="ICSharpCode.Decompiler" Version="8.2.0.7535" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.0-rc.2.23480.1" PrivateAssets="all" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" />
     <PackageReference Include="Microsoft.Extensions.Http.Polly" Version="8.0.0-rc.2.23480.2" />
     <PackageReference Include="Mono.Posix" Version="7.1.0-final.1.21458.1" />