Bump AkkaVersion from 1.5.0-beta1 to 1.5.0-beta2 (#286)

Bumps `AkkaVersion` from 1.5.0-beta1 to 1.5.0-beta2.

Updates `Akka.Persistence.Sql.Common` from 1.5.0-beta1 to 1.5.0-beta2
- [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@1.5.0-beta1...1.5.0-beta2)

Updates `Akka.Persistence.Sql.TestKit` from 1.5.0-beta1 to 1.5.0-beta2
- [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@1.5.0-beta1...1.5.0-beta2)

Updates `Akka.TestKit.Xunit2` from 1.5.0-beta1 to 1.5.0-beta2
- [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@1.5.0-beta1...1.5.0-beta2)

---
updated-dependencies:
- dependency-name: Akka.Persistence.Sql.Common
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Akka.Persistence.Sql.TestKit
  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
...

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

src/Directory.Build.props

@@ -11,7 +11,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <XunitVersion>2.4.2</XunitVersion>
-    <AkkaVersion>1.5.0-beta1</AkkaVersion>
+    <AkkaVersion>1.5.0-beta2</AkkaVersion>
     <TestSdkVersion>17.4.1</TestSdkVersion>
     <NetCoreTestVersion>net6.0</NetCoreTestVersion>
     <NetFrameworkTestVersion>net48</NetFrameworkTestVersion>