Merge pull request #887 from scala-steward/update/cats-effect-3.5.6

Update cats-effect to 3.5.6

build.sbt

@@ -284,7 +284,7 @@ lazy val library =
       val scalaTest     = "3.2.19"
       val munit         = "1.0.2"
       val cats          = "2.12.0"
-      val catsEffect    = "3.5.5"
+      val catsEffect    = "3.5.6"
       val parboiled     = "2.5.1"
       val scalaCheck    = "1.18.1"
       val sangriaCirce  = "1.3.2"