Upgrade http4k and Fintrospect to latest (#4826)

* upgrade http4k

* upgrade fintrospect

frameworks/Kotlin/http4k/build.gradle

@@ -1,6 +1,6 @@
 buildscript {
     ext.kotlin_version = "1.3.31"
-    ext.http4k_version = "3.106.0"
+    ext.http4k_version = "3.151.0"
 
     repositories {
         mavenCentral()

frameworks/Scala/fintrospect/build.sbt

@@ -13,10 +13,10 @@ resolvers += "JCenter" at "https://jcenter.bintray.com"
 resolvers += Resolver.sonatypeRepo("snapshots")
 
 libraryDependencies ++= Seq(
-  "io.fintrospect" %% "fintrospect-core" % "14.15.0",
-  "io.fintrospect" %% "fintrospect-jackson" % "14.15.0",
-  "io.fintrospect" %% "fintrospect-mustache" % "14.15.0",
-  "com.twitter" %% "finagle-mysql" % "6.43.0"
+  "io.fintrospect" %% "fintrospect-core" % "15.0.2",
+  "io.fintrospect" %% "fintrospect-jackson" % "15.0.2",
+  "io.fintrospect" %% "fintrospect-mustache" % "15.0.2",
+  "com.twitter" %% "finagle-mysql" % "19.5.1"
 )
 
 assemblyMergeStrategy in assembly := {