Missing rclone dependency when running downloadIsisData

[AustinSanders]

ISIS version(s) affected: 7.1+

Description
rclone is specified as a build dependency, but not a runtime dependency, and scripts like downloadIsisData fail with an "rclone not found" error.

How to reproduce

mamba install -c usgs-astrogeology isis
conda env config vars set ISISROOT=$CONDA_PREFIX
conda deactivate
conda activate isis_test
downloadIsisData all $ISISDATA --dry-run

Possible Solution
add rclone to runtime dependencies in meta.yaml

Additional context

[antonhibl]

@AustinSanders looks like we can close this; rclone is now listed as a dependency under both builld and run.

[Kelvinrr]

8.0.0 release does indeed download rclone so I think this is closed.