Bump FluentAssertions.Analyzers from 0.30.0 to 0.31.0 (#4)

Bumps [FluentAssertions.Analyzers](https://github.com/fluentassertions/fluentassertions.analyzers) from 0.30.0 to 0.31.0.
- [Release notes](https://github.com/fluentassertions/fluentassertions.analyzers/releases)
- [Commits](fluentassertions/fluentassertions.analyzers@v0.30.0...v0.31.0)

---
updated-dependencies:
- dependency-name: FluentAssertions.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

tests/LightResults.Extensions.Tests/LightResults.Extensions.Tests.csproj

@@ -16,7 +16,7 @@
 
     <ItemGroup>
         <PackageReference Include="FluentAssertions" Version="6.12.0"/>
-        <PackageReference Include="FluentAssertions.Analyzers" Version="0.30.0">
+        <PackageReference Include="FluentAssertions.Analyzers" Version="0.31.0">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>