Bump Akka.Bootstrap.Docker from 0.3.0 to 0.4.0

Bumps [Akka.Bootstrap.Docker](https://github.com/petabridge/akkadotnet-bootstrap) from 0.3.0 to 0.4.0.
- [Release notes](https://github.com/petabridge/akkadotnet-bootstrap/releases)
- [Changelog](https://github.com/petabridge/akkadotnet-bootstrap/blob/dev/RELEASE_NOTES.md)
- [Commits](petabridge/akkadotnet-bootstrap@0.3.0...0.4.0)

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

src/common.props

@@ -17,7 +17,7 @@
     <XunitVersion>2.4.1</XunitVersion>
     <TestSdkVersion>16.5.0</TestSdkVersion>
     <AkkaVersion>1.4.1</AkkaVersion>
-    <AkkaBootstrapVersion>0.3.0</AkkaBootstrapVersion>
+    <AkkaBootstrapVersion>0.4.0</AkkaBootstrapVersion>
     <AkkaPersistenceExtrasVersion>0.4.3</AkkaPersistenceExtrasVersion>
     <FluentAssertionsVersion>5.10.2</FluentAssertionsVersion>
     <GoogleProtobufVersion>3.4.0</GoogleProtobufVersion>