Bump Akka.Management from 1.5.63 to 1.5.68 (#496)

---
updated-dependencies:
- dependency-name: Akka.Management
  dependency-version: 1.5.68
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

src/clustering/cluster-bootstrap/Aspire/SimpleCluster.Node/SimpleCluster.Node.csproj

@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Akka.Cluster.Hosting" Version="$(AkkaHostingVersion)" />
     <PackageReference Include="Akka.Discovery.Azure" Version="1.5.63" />
-    <PackageReference Include="Akka.Management" Version="1.5.63" />
+    <PackageReference Include="Akka.Management" Version="1.5.68" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="$(MicrosoftExtensionsVersion)" />
   </ItemGroup>