Update tapir-apispec-docs, tapir-core, ... to 1.13.28

Author: scala-steward

build.sbt

@@ -6,7 +6,7 @@ val scalaTestV = "3.2.20"
 val circeV = "0.14.16"
 val slf4jV = "2.0.18"
 val logbackV = "1.5.38"
-val tapirV = "1.13.27"
+val tapirV = "1.13.28"
 val sttpClientV = "4.0.26"
 val zioV = "2.1.26"
 val zioProcessV = "0.8.0"