Unify returncode values for different drivers when process is killed by a signal #5199

Job	Run time
Run C++ tests and coverage (ubuntu-latest)	1m 51s
build-mac-for-tags	0s
build-linux (3.10) / build-wheels	1m 36s
build-linux (3.11) / build-wheels	1m 32s
build-linux (3.12) / build-wheels	1m 49s
build-linux (3.8) / build-wheels	1m 33s
build-linux (3.9) / build-wheels	1m 36s
build-mac (3.12, macos-latest) / build-wheels	2m 20s
test-mac-for-tags	0s
Test ert docs (3.12, ubuntu-latest)	2m 20s
test-linux (gui-test, 3.11, ubuntu-latest) / Run ert tests	8m 37s
test-linux (gui-test, 3.12, ubuntu-latest) / Run ert tests	9m 7s
test-linux (gui-test, 3.8, ubuntu-latest) / Run ert tests	8m 19s
test-linux (integration-tests, 3.11, ubuntu-latest) / Run ert tests	9m 50s
test-linux (integration-tests, 3.12, ubuntu-latest) / Run ert tests	10m 29s
test-linux (integration-tests, 3.8, ubuntu-latest) / Run ert tests	10m 7s
test-linux (unit-tests, 3.11, ubuntu-latest) / Run ert tests	6m 31s
test-linux (unit-tests, 3.12, ubuntu-latest) / Run ert tests	6m 55s
test-linux (unit-tests, 3.8, ubuntu-latest) / Run ert tests	6m 50s
test-slurm (ubuntu-latest, 3.11) / Run ert tests	1m 42s
test-slurm (ubuntu-latest, 3.12) / Run ert tests	2m 14s
test-slurm (ubuntu-latest, 3.8) / Run ert tests	2m 0s
test-mac (unit-tests, 3.12, macos-latest) / Run ert tests	9m 38s
test-mac (gui-test, 3.12, macos-latest) / Run ert tests	18m 30s
test-mac (integration-tests, 3.12, macos-latest) / Run ert tests	13m 50s
Publish to PyPI	0s
	2h 19m 16s

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