Bump org.eclipse.jetty:jetty-server from 12.1.1 to 12.1.6

Bumps org.eclipse.jetty:jetty-server from 12.1.1 to 12.1.6.

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-version: 12.1.6
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -46,7 +46,7 @@
 		<cws.engine.version>${cws.version}</cws.engine.version>
         <greenmail.version>2.1.5</greenmail.version>
 		<freemarker.version>2.3.33</freemarker.version>
-		<jetty.version>12.1.1</jetty.version>
+		<jetty.version>12.1.6</jetty.version>
 		<gson.version>2.8.9</gson.version>
 		<jersey.version>3.1.11</jersey.version>
 		<guava.version>33.5.0-jre</guava.version>