Bump jetty-server from 9.4.26.v20200117 to 9.4.35.v20201120 (#1457)

Bumps [jetty-server](https://github.com/eclipse/jetty.project) from 9.4.26.v20200117 to 9.4.35.v20201120.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.26.v20200117...jetty-9.4.35.v20201120)

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

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

pom.xml

@@ -276,7 +276,7 @@
       <!-- jetty for webserver integration tests. 9.2 is last with Java7 support -->
       <groupId>org.eclipse.jetty</groupId>
       <artifactId>jetty-server</artifactId>
-      <version>9.4.26.v20200117</version>
+      <version>9.4.35.v20201120</version>
       <scope>test</scope>
     </dependency>