Bump jettyVersion from 11.0.12 to 11.0.13 in /Plan (#2792)

Bumps `jettyVersion` from 11.0.12 to 11.0.13.

Updates `jetty-server` from 11.0.12 to 11.0.13
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-11.0.12...jetty-11.0.13)

Updates `jetty-alpn-java-server` from 11.0.12 to 11.0.13

Updates `http2-server` from 11.0.12 to 11.0.13

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty:jetty-alpn-java-server
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.http2:http2-server
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Plan/build.gradle

@@ -85,7 +85,7 @@ subprojects {
         commonsCompressVersion = "1.22"
         commonsCodecVersion = "1.15"
         caffeineVersion = "3.1.2"
-        jettyVersion = "11.0.12"
+        jettyVersion = "11.0.13"
         caffeineVersion = "2.9.2"
         mysqlVersion = "8.0.31"
         sqliteVersion = "3.40.0.0"