Bump Microsoft.CodeAnalysis.NetAnalyzers from 6.0.0 to 8.0.0

Bumps [Microsoft.CodeAnalysis.NetAnalyzers](https://github.com/dotnet/roslyn-analyzers) from 6.0.0 to 8.0.0.
- [Release notes](https://github.com/dotnet/roslyn-analyzers/releases)
- [Changelog](https://github.com/dotnet/roslyn-analyzers/blob/main/PostReleaseActivities.md)
- [Commits](https://github.com/dotnet/roslyn-analyzers/commits)

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.NetAnalyzers
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Miiverse-PC.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>WinExe</OutputType>
         <TargetFramework>net6.0-windows10.0.22621.0</TargetFramework>
@@ -53,7 +53,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="6.0.0">
+        <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>