Bump jetty.version from 12.1.5 to 12.1.6

Bumps `jetty.version` from 12.1.5 to 12.1.6.

Updates `org.eclipse.jetty:jetty-server` from 12.1.5 to 12.1.6

Updates `org.eclipse.jetty.ee10:jetty-ee10-webapp` from 12.1.5 to 12.1.6

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-version: 12.1.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.ee10:jetty-ee10-webapp
  dependency-version: 12.1.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -287,7 +287,7 @@
         <spring.version>7.0.3</spring.version>
         <springws.version>5.0.0</springws.version>
         <exam.version>4.14.0</exam.version>
-        <jetty.version>12.1.5</jetty.version>
+        <jetty.version>12.1.6</jetty.version>
         <log4j.version>2.25.3</log4j.version>
         <groovy.version>5.0.4</groovy.version>
         <auto-service.version>1.1.1</auto-service.version>