Bump Azure.Storage.Queues from 12.14.0 to 12.15.0

Bumps [Azure.Storage.Queues](https://github.com/Azure/azure-sdk-for-net) from 12.14.0 to 12.15.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Storage.Queues_12.14.0...Azure.Storage.Queues_12.15.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

src/Azure/Akka.Streams.Azure.StorageQueue/Akka.Streams.Azure.StorageQueue.csproj

@@ -8,6 +8,6 @@
 
     <ItemGroup>
         <PackageReference Include="Akka.Streams" Version="$(AkkaVersion)" />
-        <PackageReference Include="Azure.Storage.Queues" Version="12.14.0" />
+        <PackageReference Include="Azure.Storage.Queues" Version="12.15.0" />
     </ItemGroup>
 </Project>