Bump AkkaVersion from 1.5.26 to 1.5.28 (#424)

* Bump AkkaVersion from 1.5.26 to 1.5.28

Bumps `AkkaVersion` from 1.5.26 to 1.5.28.

Updates `Akka.Cluster.Sharding` from 1.5.26 to 1.5.28
- [Release notes](https://github.com/akkadotnet/akka.net/releases)
- [Changelog](https://github.com/akkadotnet/akka.net/blob/dev/RELEASE_NOTES.md)
- [Commits](akkadotnet/akka.net@1.5.26...1.5.28)

Updates `Akka.Persistence.Query` from 1.5.26 to 1.5.28
- [Release notes](https://github.com/akkadotnet/akka.net/releases)
- [Changelog](https://github.com/akkadotnet/akka.net/blob/dev/RELEASE_NOTES.md)
- [Commits](akkadotnet/akka.net@1.5.26...1.5.28)

Updates `Akka.Persistence.TCK` from 1.5.26 to 1.5.28
- [Release notes](https://github.com/akkadotnet/akka.net/releases)
- [Changelog](https://github.com/akkadotnet/akka.net/blob/dev/RELEASE_NOTES.md)
- [Commits](akkadotnet/akka.net@1.5.26...1.5.28)

---
updated-dependencies:
- dependency-name: Akka.Cluster.Sharding
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Persistence.Query
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Persistence.TCK
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Port akkadotnet/akka.net#7313: Made `DateTime.UtcNow` the default timestamp for `SnapshotMetdata`

(cherry picked from commit 916d18b)

* Make operation cheaper

(cherry picked from commit 1f8c3f6)

* Fix port code to take DateTime.MinValue into account

---------

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

src/Akka.Persistence.Azure/Snapshot/AzureBlobSnapshotStore.cs

@@ -260,7 +260,21 @@ protected override async Task DeleteAsync(SnapshotMetadata metadata)
             cts.CancelAfter(_settings.RequestTimeout);
             using (cts)
             {
-                await blobClient.DeleteIfExistsAsync(cancellationToken: cts.Token);
+                if (metadata.Timestamp == DateTime.MinValue)
+                {
+                    // Short-circuit the timestamp query if the metadata does not require us to check for timestamp
+                    await blobClient.DeleteIfExistsAsync(cancellationToken: cts.Token);
+                }
+                else
+                {
+                    var response = await blobClient.GetPropertiesAsync(cancellationToken: cts.Token);
+                    if (response.HasValue)
+                    {
+                        var timestamp = new DateTime(long.Parse(response.Value.Metadata[TimeStampMetaDataKey])); 
+                        if(timestamp <= metadata.Timestamp)
+                            await blobClient.DeleteAsync(cancellationToken: cts.Token);
+                    }
+                }
             }
         }
 

src/Directory.Packages.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-	  <AkkaVersion>1.5.26</AkkaVersion>
+	  <AkkaVersion>1.5.28</AkkaVersion>
 	  <AkkaHostingVersion>1.5.25</AkkaHostingVersion>
   </PropertyGroup>
   <!-- App dependencies -->