update base image

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:20.04
+FROM ubuntu:24.04
 
 LABEL maintainer="ovsyannikov.alexey95@gmail.com"
 
@@ -8,6 +8,7 @@ ENV TZ=Etc/GMT
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 RUN apt update && apt -y install wget gnupg2 zip unzip curl sudo git software-properties-common pass axel
 
+RUN deluser --remove-home ubuntu
 RUN mkdir -p /var/jenkins_home/jenkins && cd /var/jenkins_home/ &&\
     useradd -s /bin/bash -G sudo -d /var/jenkins_home -u 1000 jenkins &&\
     chmod 777 /tmp