Auto-upgrade to 6.22.0.0 (#380)

Co-authored-by: Auto-upgrade to 6.22.0.0 <[email protected]>

Author: daviddenton

gradle.properties

@@ -8,4 +8,4 @@ kotlin.code.style=official
 kotlin.incremental=true
 
 # Version properties
-http4kVersion=6.21.1.0
+http4kVersion=6.22.0.0