Bump Azure.Storage.Blobs from 12.20.0 to 12.21.0 (#52)

Bumps [Azure.Storage.Blobs](https://github.com/Azure/azure-sdk-for-net) from 12.20.0 to 12.21.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Storage.Blobs_12.20.0...Azure.Storage.Blobs_12.21.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/SimpleAzure.Storage.HybridQueues/SimpleAzure.Storage.HybridQueues.csproj

@@ -35,7 +35,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Storage.Blobs" Version="12.20.0" />
+    <PackageReference Include="Azure.Storage.Blobs" Version="12.21.0" />
     <PackageReference Include="Azure.Storage.Queues" Version="12.18.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
   </ItemGroup>