Update all dependencies to v6

| datasource | package                         | from     | to      |
| ---------- | ------------------------------- | -------- | ------- |
| maven      | org.http4k:http4k-format-moshi  | 5.47.0.0 | 6.0.1.0 |
| maven      | org.http4k:http4k-client-apache | 5.47.0.0 | 6.0.1.0 |
| maven      | org.http4k:http4k-core          | 5.47.0.0 | 6.0.1.0 |

Author: renovate[bot]

libs.versions.toml

@@ -2,7 +2,7 @@
 jdk = "17"
 kotlin = "2.1.10"
 moshix = "0.29.0"
-http4k = "5.47.0.0"
+http4k = "6.0.1.0"
 immutables = "2.10.1"
 arrow = "2.0.1"
 graal = "24.1.2"