Bump AkkaHostingVersion from 1.5.5 to 1.5.7

Bumps `AkkaHostingVersion` from 1.5.5 to 1.5.7.

Updates `Akka.Hosting` from 1.5.5 to 1.5.7
- [Release notes](https://github.com/akkadotnet/Akka.Hosting/releases)
- [Changelog](https://github.com/akkadotnet/Akka.Hosting/blob/dev/RELEASE_NOTES.md)
- [Commits](akkadotnet/Akka.Hosting@1.5.5...1.5.7)

Updates `Akka.Hosting.TestKit` from 1.5.5 to 1.5.7
- [Release notes](https://github.com/akkadotnet/Akka.Hosting/releases)
- [Changelog](https://github.com/akkadotnet/Akka.Hosting/blob/dev/RELEASE_NOTES.md)
- [Commits](akkadotnet/Akka.Hosting@1.5.5...1.5.7)

Updates `Akka.Cluster.Hosting` from 1.5.5 to 1.5.7
- [Release notes](https://github.com/akkadotnet/Akka.Hosting/releases)
- [Changelog](https://github.com/akkadotnet/Akka.Hosting/blob/dev/RELEASE_NOTES.md)
- [Commits](akkadotnet/Akka.Hosting@1.5.5...1.5.7)

Updates `Akka.Remote.Hosting` from 1.5.5 to 1.5.7
- [Release notes](https://github.com/akkadotnet/Akka.Hosting/releases)
- [Changelog](https://github.com/akkadotnet/Akka.Hosting/blob/dev/RELEASE_NOTES.md)
- [Commits](akkadotnet/Akka.Hosting@1.5.5...1.5.7)

---
updated-dependencies:
- dependency-name: Akka.Hosting
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Hosting.TestKit
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Cluster.Hosting
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Remote.Hosting
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/Directory.Build.props

@@ -32,7 +32,7 @@ Update all AWSSDK versions</PackageReleaseNotes>
         <WireMockVersion>1.5.25</WireMockVersion>
 
         <AkkaVersion>1.5.7</AkkaVersion>
-        <AkkaHostingVersion>1.5.5</AkkaHostingVersion>
+        <AkkaHostingVersion>1.5.7</AkkaHostingVersion>
         <PbmVersion>1.3.1</PbmVersion>
         <BootstrapDockerVersion>0.5.3</BootstrapDockerVersion>