Update Akka versions (#288)

Author: patriknw

project/Dependencies.scala

@@ -7,9 +7,9 @@ import sbt._
 object Dependencies {
   val Scala212 = "2.12.17"
   val Scala213 = "2.13.10"
-  val AkkaVersion = System.getProperty("override.akka.version", "2.7.0-M3")
+  val AkkaVersion = System.getProperty("override.akka.version", "2.7.0-M5")
   val AkkaVersionInDocs = AkkaVersion.take(3)
-  val AkkaProjectionVersion = "1.3.0-M3"
+  val AkkaProjectionVersion = "1.3.0-M4"
   val AkkaProjectionVersionInDocs = "current"
 
   object Compile {