Merge pull request #584 from guardian/update/aws

chore(deps): AWS dependency updates

Author: NovemberTang

build.sbt

@@ -10,7 +10,7 @@ enablePlugins(BuildInfoPlugin)
 buildInfoKeys := Seq[BuildInfoKey](name, version)
 buildInfoPackage := "com.gu.ssm"
 
-val awsSdkVersion = "2.47.1"
+val awsSdkVersion = "2.47.6"
 
 libraryDependencies ++= Seq(
   "software.amazon.awssdk" % "ssm" % awsSdkVersion,