Bump jetty-server from 9.4.35.v20201120 to 9.4.41.v20210516 in /examples (#2077)

Bumps [jetty-server](https://github.com/eclipse/jetty.project) from 9.4.35.v20201120 to 9.4.41.v20210516.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.35.v20201120...jetty-9.4.41.v20210516)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

examples/pom.xml

@@ -11,7 +11,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <!-- change to the version you want to use. -->
-    <jetty.version>9.4.35.v20201120</jetty.version>
+    <jetty.version>9.4.41.v20210516</jetty.version>
     <opencensus.version>0.28.3</opencensus.version> <!-- LATEST_OPENCENSUS_RELEASE_VERSION -->
     <grpc.version>1.32.2</grpc.version> <!-- CURRENT_GRPC_VERSION -->
   </properties>