Update smithy4s-http4s, ... to 0.18.26

Author: scala-steward

Diff for: project/plugins.sbt

@@ -5,7 +5,7 @@ addSbtPlugin("com.github.sbt" % "sbt-native-packager" % "1.9.16")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")
 addSbtPlugin("com.codecommit" % "sbt-github-actions" % "0.14.2")
 
-addSbtPlugin("com.disneystreaming.smithy4s" % "smithy4s-sbt-codegen" % "0.18.2")
+addSbtPlugin("com.disneystreaming.smithy4s" % "smithy4s-sbt-codegen" % "0.18.26")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.16")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")