Silent argument for CDIP processing #666

Job	Run time
set-os	3s
check-changes	15s
prepare-cache	11m 19s
conda-ubuntu-latest/3.8	15m 17s
pip-ubuntu-latest/3.8	11m 54s
hindcast-${{ matrix.os }}/${{ matrix.python-version }}	0s
conda-ubuntu-latest/3.9	13m 17s
pip-ubuntu-latest/3.9	11m 51s
conda-ubuntu-latest/3.10	11m 44s
pip-ubuntu-latest/3.10	17m 33s
conda-ubuntu-latest/3.11	15m 40s
pip-ubuntu-latest/3.11	11m 18s
Indicate completion to coveralls.io	20s
	2h 0m 31s

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