Bump org.eclipse.jetty:jetty-servlet from 11.0.15 to 11.0.16

Bumps [org.eclipse.jetty:jetty-servlet](https://github.com/eclipse/jetty.project) from 11.0.15 to 11.0.16.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-11.0.15...jetty-11.0.16)

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

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

pom.xml

@@ -99,7 +99,7 @@
     <dependency>
       <groupId>org.eclipse.jetty</groupId>
       <artifactId>jetty-servlet</artifactId>
-      <version>11.0.15</version>
+      <version>11.0.16</version>
     </dependency>
     <dependency>
       <groupId>com.github.ben-manes.caffeine</groupId>