fix(ci): fix the forgotten -y option in apt install

12 jobs for test-covering in 6 minutes and 20 seconds (queued for 3 seconds)
Name Stage Failure
lint:sheldon Lint
  aglfn doxygen fonts-liberation gnuplot gnuplot-data gnuplot-qt graphviz
libcdt5 libcgraph6 libgts-0.7-5 libgts-bin libgvc6 libgvpr2 liblab-gamut1
liblua5.3-0 libpathplan4 libwxbase3.0-0v5 libwxgtk3.0-gtk3-0v5 libxapian30
0 upgraded, 19 newly installed, 0 to remove and 4 not upgraded.
Need to get 19.5 MB of archives.
After this operation, 82.7 MB of additional disk space will be used.
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Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1