Bump SendGrid from 9.25.3 to 9.28.1

Bumps [SendGrid](https://github.com/sendgrid/sendgrid-csharp) from 9.25.3 to 9.28.1.
- [Release notes](https://github.com/sendgrid/sendgrid-csharp/releases)
- [Changelog](https://github.com/sendgrid/sendgrid-csharp/blob/main/CHANGELOG.md)
- [Commits](sendgrid/sendgrid-csharp@9.25.3...9.28.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Source/Shared/Shared.Infrastructure/Shared.Infrastructure.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="6.0.10" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="6.0.0" />
     <PackageReference Include="Scrutor.AspNetCore" Version="3.3.0" />
-    <PackageReference Include="SendGrid" Version="9.25.3" />
+    <PackageReference Include="SendGrid" Version="9.28.1" />
   </ItemGroup>
 
   <ItemGroup>

Source/Web/WebServer/WebServer.csproj

@@ -41,7 +41,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="6.0.2" />
-    <PackageReference Include="SendGrid" Version="9.25.3" />
+    <PackageReference Include="SendGrid" Version="9.28.1" />
     <PackageReference Include="Serilog.AspNetCore" Version="4.1.0" />
     <PackageReference Include="Stripe.net" Version="39.93.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />