Update fs2-core, fs2-io to 3.12.0

Author: scala-steward

build.sbt

@@ -21,7 +21,7 @@ lazy val circeVersion = "0.14.2"
 lazy val commonsTextVersion = "1.8"
 lazy val declineVersion = "2.5.0"
 lazy val fansiVersion = "0.3.0"
-lazy val fs2Version = "3.4.0"
+lazy val fs2Version = "3.12.0"
 lazy val jenaVersion = "4.3.2"
 lazy val junitVersion = "4.13.2"
 lazy val junitInterfaceVersion = "0.13.3"