Bump AkkaHostingVersion from 1.5.30.1 to 1.5.31

Bumps `AkkaHostingVersion` from 1.5.30.1 to 1.5.31.

Updates `Akka.Hosting` from 1.5.30.1 to 1.5.31
- [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@1.5.30.1...1.5.31)

Updates `Akka.Hosting.TestKit` from 1.5.30.1 to 1.5.31
- [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@1.5.30.1...1.5.31)

Updates `FluentAssertions` from 6.12.1 to 5.10.3
- [Release notes](https://github.com/fluentassertions/fluentassertions/releases)
- [Changelog](https://github.com/fluentassertions/fluentassertions/blob/develop/AcceptApiChanges.ps1)
- [Commits](fluentassertions/fluentassertions@6.12.1...5.10.3)

---
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: FluentAssertions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Directory.Packages.props

@@ -3,8 +3,8 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
    <PropertyGroup Label="SharedVersions">
-    <AkkaVersion>1.5.30</AkkaVersion>
-    <AkkaHostingVersion>1.5.30.1</AkkaHostingVersion>
+    <AkkaVersion>1.5.31</AkkaVersion>
+    <AkkaHostingVersion>1.5.31</AkkaHostingVersion>
     <OtelVersion>1.9.0</OtelVersion>
   </PropertyGroup>
   <!-- Akka.NET Package Versions -->