[deps]: Update FluentAssertions to v8

Author: renovate[bot]

tests/Passwordless.AspNetCore.Tests/Passwordless.AspNetCore.Tests.csproj

@@ -12,7 +12,7 @@
     <PackageReference Include="AutoFixture" Version="4.18.1" PrivateAssets="all" />
     <PackageReference Include="coverlet.collector" Version="6.0.2" PrivateAssets="all" />
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" PrivateAssets="all" />
-    <PackageReference Include="FluentAssertions" Version="7.0.0" />
+    <PackageReference Include="FluentAssertions" Version="8.3.0" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="8.0.11" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.11" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />

tests/Passwordless.Tests/Passwordless.Tests.csproj

@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" PrivateAssets="all" />
-    <PackageReference Include="FluentAssertions" Version="7.0.0" />
+    <PackageReference Include="FluentAssertions" Version="8.3.0" />
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />