Update undertow-core, undertow-servlet to 2.2.38.Final in series/0.24

Author: http4s-steward[bot]

build.sbt

@@ -26,7 +26,7 @@ val jettyVersion = "12.0.28"
 val http4sVersion = "0.23.31"
 val munitCatsEffectVersion = "2.1.0"
 val servletApiVersion = "4.0.4"
-val undertowVersion = "2.2.37.Final"
+val undertowVersion = "2.2.38.Final"
 
 lazy val servlet = project
   .in(file("servlet"))