Bump org.eclipse.jetty:jetty-webapp

Bumps [org.eclipse.jetty:jetty-webapp](https://github.com/eclipse/jetty.project) from 8.1.3.v20120416 to 9.4.33.v20201020.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-8.1.3.v20120416...jetty-9.4.33.v20201020)

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

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

pom.xml

@@ -104,7 +104,7 @@
         <version.org.apache.maven.plugin.tools>3.6.4</version.org.apache.maven.plugin.tools>
         <version.org.jboss.arquillian.core>1.7.0.Alpha10</version.org.jboss.arquillian.core>
         <version.org.jboss.arquillian.extension.byteman>1.1.0</version.org.jboss.arquillian.extension.byteman>
-        <version.org.eclipse.jetty>8.1.3.v20120416</version.org.eclipse.jetty>
+        <version.org.eclipse.jetty>9.4.33.v20201020</version.org.eclipse.jetty>
         <version.org.hibernate.validator>7.0.1.Final</version.org.hibernate.validator>
         <version.org.jboss.byteman>4.0.19</version.org.jboss.byteman>
         <version.org.jboss.common>2.2.17.GA</version.org.jboss.common>