Bump jettyVersion from 11.0.24 to 11.0.26 in /Plan (#4228)

Bumps `jettyVersion` from 11.0.24 to 11.0.26.

Updates `org.eclipse.jetty:jetty-server` from 11.0.24 to 11.0.26

Updates `org.eclipse.jetty:jetty-alpn-java-server` from 11.0.24 to 11.0.26

Updates `org.eclipse.jetty.http2:http2-server` from 11.0.24 to 11.0.26

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-version: 11.0.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty:jetty-alpn-java-server
  dependency-version: 11.0.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.http2:http2-server
  dependency-version: 11.0.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

Plan/build.gradle

@@ -73,7 +73,7 @@ subprojects {
         commonsCodecVersion = "1.19.0"
         caffeineVersion = "3.2.2"
         jetbrainsAnnotationsVersion = "26.0.2"
-        jettyVersion = "11.0.24"
+        jettyVersion = "11.0.26"
         mysqlVersion = "9.2.0"
         mariadbVersion = "3.5.5"
         sqliteVersion = "3.42.0.1"