Bump jetty.version from 11.0.25 to 11.0.26

Bumps `jetty.version` from 11.0.25 to 11.0.26.

Updates `org.eclipse.jetty:jetty-client` from 11.0.25 to 11.0.26

Updates `org.eclipse.jetty:jetty-servlet` from 11.0.25 to 11.0.26

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-client
  dependency-version: 11.0.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty:jetty-servlet
  dependency-version: 11.0.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -263,7 +263,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <java.version>11</java.version>
-    <jetty.version>11.0.25</jetty.version>
+    <jetty.version>11.0.26</jetty.version>
   </properties>
 
   <dependencies>