Update Dockerfile

2 jobs for master in 2 minutes and 20 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
failed #5580
docker
build

00:02:20

 
  Deploy
skipped #5581
docker
deploy_latest
 
Name Stage Failure
failed
build Build

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

Reading package lists...
Building dependency tree...
Reading state information...
E: Unable to locate package openbsd-netcat
The command '/bin/sh -c apt update && apt -y --no-install-recommends install openconnect ca-certificates iproute2 iptables ipset openbsd-netcat && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*' returned a non-zero code: 100
ERROR: Job failed: exit status 1