chore(deps): update jetty.version to v9.4.26.v20200117 (#2223)

Author: renovate-bot

appengine-java8/websocket-jetty/pom.xml

@@ -38,7 +38,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
     <failOnMissingWebXml>false</failOnMissingWebXml> <!-- REQUIRED -->
     <appengine.maven.plugin>2.2.0</appengine.maven.plugin>
-    <jetty.version>9.4.25.v20191220</jetty.version>
+    <jetty.version>9.4.26.v20200117</jetty.version>
   </properties>
 
   <dependencies>

appengine-java8/websocket-jsr356/pom.xml

@@ -35,7 +35,7 @@ limitations under the License.
     <maven.compiler.source>1.8</maven.compiler.source>
     <failOnMissingWebXml>false</failOnMissingWebXml> <!-- REQUIRED -->
     <appengine.maven.plugin>2.2.0</appengine.maven.plugin>
-    <jetty.version>9.4.25.v20191220</jetty.version>
+    <jetty.version>9.4.26.v20200117</jetty.version>
   </properties>
 
   <dependencies>

session-handling/pom.xml

@@ -39,7 +39,7 @@ Copyright 2019 Google LLC
     <maven.compiler.showWarnings>true</maven.compiler.showWarnings>
     <maven.compiler.failOnWarning>false</maven.compiler.failOnWarning>
     <maven.war.filteringDeploymentDescriptors>false</maven.war.filteringDeploymentDescriptors>
-    <jetty.version>9.4.25.v20191220</jetty.version>
+    <jetty.version>9.4.26.v20200117</jetty.version>
   </properties>
 
   <dependencies>