Bump Azure.Storage.Queues from 12.11.0 to 12.21.0

Bumps [Azure.Storage.Queues](https://github.com/Azure/azure-sdk-for-net) from 12.11.0 to 12.21.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Storage.Queues_12.11.0...Azure.Storage.Queues_12.21.0)

---
updated-dependencies:
- dependency-name: Azure.Storage.Queues
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

WebAPI/LearningHub.Nhs.Services.Interface/LearningHub.Nhs.Services.Interface.csproj

@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-	<PackageReference Include="Azure.Storage.Queues" Version="12.11.0" />
+	<PackageReference Include="Azure.Storage.Queues" Version="12.21.0" />
 	<PackageReference Include="elfhHub.Nhs.Models" Version="3.0.8" />
     <PackageReference Include="LearningHub.Nhs.Caching" Version="2.0.0" />
     <PackageReference Include="LearningHub.Nhs.Models" Version="3.0.45" />