Bump Microsoft.CodeAnalysis.NetAnalyzers from 7.0.4 to 8.0.0 (#312)

Bumps [Microsoft.CodeAnalysis.NetAnalyzers](https://github.com/dotnet/roslyn-analyzers) from 7.0.4 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
...

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Author: dependabot[bot]

src/oehen.arguard/oehen.arguard.csproj

@@ -52,7 +52,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.4">
+    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>