Update elasticmq-core, elasticmq-rest-sqs to 1.6.15 (#856)

Author: scala-steward

build.sbt

@@ -2,7 +2,7 @@ val mainScala        = "2.13.16"
 val allScala         = Seq("3.3.6", "2.13.16")
 val zioVersion       = "2.1.21"
 val zioAwsVersion    = "7.34.6.1"
-val elasticMqVersion = "1.6.14"
+val elasticMqVersion = "1.6.15"
 
 enablePlugins(ZioSbtEcosystemPlugin, ZioSbtCiPlugin)