Merge pull request #1822 from Baeldung/update/tapir-core-1.11.21

Update tapir-akka-http-server, tapir-core, ... from 1.11.20 to 1.11.21

Author: mergify[bot]

scala-libraries-standalone/tapir/build.sbt

@@ -1,5 +1,5 @@
 val scalaV = "2.12.16"
-val tapirV = "1.11.20"
+val tapirV = "1.11.21"
 ThisBuild / scalaVersion := scalaV
 ThisBuild / version := "1.0.0"
 ThisBuild / organization := "com.baeldung"