Bump Azure.Storage.Blobs in /DistributedLock.Azure

Bumps [Azure.Storage.Blobs](https://github.com/Azure/azure-sdk-for-net) from 12.7.0 to 12.13.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Storage.Blobs_12.7.0...Azure.Storage.Blobs_12.13.0)

---
updated-dependencies:
- dependency-name: Azure.Storage.Blobs
  dependency-type: direct:production
...

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

DistributedLock.Azure/DistributedLock.Azure.csproj

@@ -41,7 +41,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Storage.Blobs" Version="12.7.0" />
+    <PackageReference Include="Azure.Storage.Blobs" Version="12.13.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
   </ItemGroup>