Bump the tests group with 2 updates

Bumps the tests group with 2 updates: [FluentAssertions](https://github.com/fluentassertions/fluentassertions) and [Microsoft.NETFramework.ReferenceAssemblies](https://github.com/Microsoft/dotnet).


Updates `FluentAssertions` from 8.1.1 to 8.2.0
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/main/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@8.1.1...8.2.0)

Updates `Microsoft.NETFramework.ReferenceAssemblies` from 1.0.3 to 1.0.3
- [Commits](https://github.com/Microsoft/dotnet/commits)

---
updated-dependencies:
- dependency-name: FluentAssertions
  dependency-version: 8.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tests
- dependency-name: Microsoft.NETFramework.ReferenceAssemblies
  dependency-version: 1.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tests
...

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

Author: dependabot[bot]

src/Sidio.OpenGraph.AspNetCore.Tests/Sidio.OpenGraph.AspNetCore.Tests.csproj

@@ -15,7 +15,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="FluentAssertions" Version="8.1.1" />
+        <PackageReference Include="FluentAssertions" Version="8.2.0" />
         <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.2" />
         <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.2" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />

src/Sidio.OpenGraph.Tests/Sidio.OpenGraph.Tests.csproj

@@ -16,7 +16,7 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="FluentAssertions" Version="8.1.1" />
+        <PackageReference Include="FluentAssertions" Version="8.2.0" />
         <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.2" />
         <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.2" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />