Update armeria to 1.29.4 in series/1.x

Author: http4s-steward[bot]

Diff for: build.sbt

@@ -21,7 +21,7 @@ ThisBuild / resolvers += Resolver.mavenLocal
 ThisBuild / Test / javaOptions += "-Dcom.linecorp.armeria.verboseResponses=true -Dcom.linecorp.armeria.verboseExceptions=always"
 
 val versions = new {
-  val armeria = "1.29.3"
+  val armeria = "1.29.4"
   val fs2 = "3.10.2"
   val http4s = "1.0.0-M41"
   val log4cats = "2.7.0"