Bump Azure.Storage.Blobs in /MiniIndex.Core

Bumps [Azure.Storage.Blobs](https://github.com/Azure/azure-sdk-for-net) from 12.11.0-beta.2 to 12.13.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](Azure/azure-sdk-for-net@Azure.Storage.Blobs_12.11.0-beta.2...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>

MiniIndex.Core/MiniIndex.Core.csproj

@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="AgileObjects.AgileMapper" Version="1.8.0" />
     <PackageReference Include="Anaximander.Linq" Version="4.0.0" />
-    <PackageReference Include="Azure.Storage.Blobs" Version="12.11.0-beta.2" />
+    <PackageReference Include="Azure.Storage.Blobs" Version="12.13.0" />
     <PackageReference Include="HtmlAgilityPack" Version="1.11.39" />
     <PackageReference Include="Lamar" Version="7.0.0" />
     <PackageReference Include="MediatR" Version="9.0.0" />