systemd: fix bin path

1 job for v1.3 in 13 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build Buster
failed #250
build_buster

00:00:13

 
Name Stage Failure
failed
build_buster Build Buster
Skipping Git submodules setup
$ source /etc/profile
$ which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )
/usr/bin/ssh-agent
$ eval $(ssh-agent -s)
Agent pid 12
$ echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
Error loading key "(stdin)": invalid format
ERROR: Job failed: exit code 1