Bump AkkaVersion from 1.5.15 to 1.5.16 (#429)

Bumps `AkkaVersion` from 1.5.15 to 1.5.16.

Updates `Akka.DependencyInjection` from 1.5.15 to 1.5.16
- [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@1.5.15...1.5.16)

Updates `Akka.TestKit.Xunit2` from 1.5.15 to 1.5.16
- [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@1.5.15...1.5.16)

Updates `Akka.Cluster.Sharding` from 1.5.15 to 1.5.16
- [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@1.5.15...1.5.16)

Updates `Akka.Remote` from 1.5.15 to 1.5.16
- [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@1.5.15...1.5.16)

Updates `Akka.DistributedData` from 1.5.15 to 1.5.16
- [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@1.5.15...1.5.16)

Updates `Akka.Persistence` from 1.5.15 to 1.5.16
- [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@1.5.15...1.5.16)

---
updated-dependencies:
- dependency-name: Akka.DependencyInjection
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.TestKit.Xunit2
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Cluster.Sharding
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Remote
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.DistributedData
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Persistence
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/Directory.Build.props

@@ -26,7 +26,7 @@
         <TestSdkVersion>17.8.0</TestSdkVersion>
         <CoverletVersion>6.0.0</CoverletVersion>
 	    <XunitRunneVisualstudio>2.5.6</XunitRunneVisualstudio>
-        <AkkaVersion>1.5.15</AkkaVersion>
+        <AkkaVersion>1.5.16</AkkaVersion>
         <MicrosoftExtensionsVersion>[6.0.0,)</MicrosoftExtensionsVersion>
     </PropertyGroup>