update version of jenkins

Dockerfile

@@ -20,4 +20,4 @@ USER 1000
 
 VOLUME /var/jenkins_home/jenkins
 
-RUN cd /var/jenkins_home/ && wget http://mirrors.jenkins.io/war-stable/2.246.1/jenkins.war
+RUN cd /var/jenkins_home/ && wget http://mirrors.jenkins.io/war-stable/2.426.1/jenkins.war

deploy

@@ -9,7 +9,7 @@ function assert_success() {
     fi
 }
 
-version="2.246.1"
+version="2.426.1"
 
 assert_success docker build -t jenkins:$version ./
 assert_success docker tag jenkins:$version insanusmokrassar/jenkins:$version