Bump Akka from 1.4.26 to 1.4.27

Bumps [Akka](https://github.com/akkadotnet/akka.net) from 1.4.26 to 1.4.27.
- [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@1.4.26...1.4.27)

---
updated-dependencies:
- dependency-name: Akka
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/common.props

@@ -13,7 +13,7 @@ upgraded to Quartz.NET 3.3.2</PackageReleaseNotes>
     </NoWarn>
   </PropertyGroup>
   <PropertyGroup>
-    <AkkaVersion>1.4.26</AkkaVersion>
+    <AkkaVersion>1.4.27</AkkaVersion>
     <QuartzVersion>3.3.3</QuartzVersion>
     <XunitVersion>2.4.1</XunitVersion>
     <TestSdkVersion>16.11.0</TestSdkVersion>