Fix --modesList argument GenerateSimulation

See merge request lscsoft/lalsuite!1463

Fix lalinference test job

Closes #385

See merge request lscsoft/lalsuite!1458

Revert "allow gcc-10.x build to fail"

See merge request lscsoft/lalsuite!1465

This reverts commit 80336efb.

pull images from containers.ligo.org

See merge request lscsoft/lalsuite!1464

docker hub have started throttling the number of times that you can pull
from free accounts, and CI builds are starting to fail due to this. pull
from containers.ligo.org to reduce the load.

unfortunately this will increase the load upon GitLab but without this
change CI will fail consistently.

lalpulsar/test/TEMPOcomparison.c: expand buffer sizes

Closes #384

See merge request lscsoft/lalsuite!1460