Update http4s-circe, http4s-client, ... to 0.21.16 (#1901)

Author: scala-steward

project/Dependencies.scala

@@ -24,7 +24,7 @@ object Dependencies {
   val disciplineMunit = "org.typelevel" %% "discipline-munit" % "1.0.4"
   val fs2Core = "co.fs2" %% "fs2-core" % "2.5.0"
   val fs2Io = "co.fs2" %% "fs2-io" % fs2Core.revision
-  val http4sCore = "org.http4s" %% "http4s-core" % "0.21.15"
+  val http4sCore = "org.http4s" %% "http4s-core" % "0.21.16"
   val http4sCirce = "org.http4s" %% "http4s-circe" % http4sCore.revision
   val http4sClient = "org.http4s" %% "http4s-client" % http4sCore.revision
   val http4sDsl = "org.http4s" %% "http4s-dsl" % http4sCore.revision