build(deps): bump org.http4k:http4k-core in /bolt-http4k

Bumps [org.http4k:http4k-core](https://github.com/http4k/http4k) from 5.46.0.0 to 6.49.0.0.
- [Release notes](https://github.com/http4k/http4k/releases)
- [Changelog](https://github.com/http4k/http4k/blob/master/CHANGELOG.md)
- [Commits](http4k/http4k@5.46.0.0...6.49.0.0)

---
updated-dependencies:
- dependency-name: org.http4k:http4k-core
  dependency-version: 6.49.0.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

bolt-http4k/pom.xml

@@ -15,7 +15,7 @@
 
     <properties>
         <!-- TODO: upgrade to 6.x -->
-        <http4k.version>5.46.0.0</http4k.version>
+        <http4k.version>6.49.0.0</http4k.version>
         <!-- http4k 5.26+ no longer supports Java 1.8 -->
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>