Update zio, zio-streams to 2.1.6 (#3059)

zio-scala-steward[bot] · web-flow · commit ba97d64549fa · 2024-07-11T14:50:17.000+10:00
Co-authored-by: zio-scala-steward[bot] &lt;145262613+zio-scala-steward[bot]@users.noreply.github.com&gt;
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
@@ -2,7 +2,7 @@ import sbt.*
 import sbt.Keys.*
 
 object Version {
-  val zio = "2.1.5"
+  val zio = "2.1.6"
 }
 
 sealed trait ExcludeTests
