Bump ZIO to 2.1.6, last version that doesn't break the tests

Author: gaelrenoux

README.md

@@ -202,7 +202,7 @@ Check the backward compatibility information on those libraries to check which v
 | 5.3.0      | 2.12 2.13 3 | 2.0.21       | 1.0.0-RC8  | 2.7.0  |
 | 5.4.0      | 2.12 2.13 3 | 2.0.21       | 1.0.0-RC9  | 2.7.0  |
 | 5.5.0      | 2.12 2.13 3 | 2.0.22       | 1.0.0-RC10 | 2.7.0  |
-| master     | 2.12 2.13 3 | 2.0.22       | 1.0.0-RC10 | 2.7.0  |
+| master     | 2.12 2.13 3 | 2.1.6        | 1.0.0-RC10 | 2.7.0  |
 
 
 

project/BuildHelper.scala

@@ -5,7 +5,7 @@ import xerial.sbt.Sonatype.autoImport._
 
 object BuildHelper {
   object V {
-    val zio = "2.0.22"
+    val zio = "2.1.6"
     val zioCats = "23.1.0.5"
     val cats = "2.13.0"
     val doobie = "1.0.0-RC10"