Update http4s-blaze-server, http4s-circe, ... to 0.22.15

Author: scala-steward

build.sbt

@@ -13,7 +13,7 @@ lazy val Versions = new {
   val gpb3Version = "3.25.6"
   val grpcVersion = "1.68.3"
   val circeVersion = "0.14.13"
-  val http4sVersion = "0.22.2"
+  val http4sVersion = "0.22.15"
   val akkaHttp = "10.2.10"
 }