Bump jetty.version from 9.4.25.v20191220 to 9.4.26.v20200117

Bumps `jetty.version` from 9.4.25.v20191220 to 9.4.26.v20200117.

Updates `jetty-server` from 9.4.25.v20191220 to 9.4.26.v20200117
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.25.v20191220...jetty-9.4.26.v20200117)

Updates `jetty-util` from 9.4.25.v20191220 to 9.4.26.v20200117
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.25.v20191220...jetty-9.4.26.v20200117)

Updates `jetty-servlet` from 9.4.25.v20191220 to 9.4.26.v20200117
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.25.v20191220...jetty-9.4.26.v20200117)

Updates `jetty-webapp` from 9.4.25.v20191220 to 9.4.26.v20200117
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.25.v20191220...jetty-9.4.26.v20200117)

Updates `http2-server` from 9.4.25.v20191220 to 9.4.26.v20200117

Updates `http2-hpack` from 9.4.25.v20191220 to 9.4.26.v20200117

Updates `jetty-alpn-server` from 9.4.25.v20191220 to 9.4.26.v20200117

Updates `jetty-jmx` from 9.4.25.v20191220 to 9.4.26.v20200117
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.25.v20191220...jetty-9.4.26.v20200117)

Updates `websocket-server` from 9.4.25.v20191220 to 9.4.26.v20200117

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

pom.xml

@@ -19,7 +19,7 @@
   <properties>
     <revision>5.7</revision>
     <changelist>-SNAPSHOT</changelist>
-    <jetty.version>9.4.25.v20191220</jetty.version>
+    <jetty.version>9.4.26.v20200117</jetty.version>
     <alpn.api.version>1.1.3.v20160715</alpn.api.version>
     <java.level>8</java.level>
     <!-- TODO: remove once SpotBugs issues are fixed. 57 so far -->