Update dependency Microsoft.Identity.Web to 3.8.4

Author: renovate[bot]

Dfe.Academies.Api.Infrastructure/Dfe.Academies.Infrastructure.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.21" />
     <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore" Version="8.0.21" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Identity.Web" Version="3.8.3" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="3.8.4" />
   </ItemGroup>
 
   <ItemGroup>