BF: Guard against base package name collision

See merge request fsl/conda/manifest-rules!31

BF: Too many splits (was accounting for "-" at beginning of yaml list entry, but that is not present here)

See merge request fsl/conda/manifest-rules!30

but that is not present here)

Bf/version variant

See merge request fsl/conda/manifest-rules!29

RF: Read base_packages list from release.yml, and add to manifest files

See merge request fsl/conda/manifest-rules!28

RF: fsl-ci-rules has changed location

See merge request fsl/conda/manifest-rules!27

BF: Wrong file name used for release manifest if NO_PAST_RELEASES set

See merge request fsl/conda/manifest-rules!26

Rf/deploy dir

See merge request fsl/conda/manifest-rules!25

Mnt/no past releases

See merge request fsl/conda/manifest-rules!24

Rf/condabin

See merge request fsl/conda/manifest-rules!23

Bf/condadir

See merge request fsl/conda/manifest-rules!22

Mnt/activate

See merge request fsl/conda/manifest-rules!21

Mnt/cuda versions

See merge request fsl/conda/manifest-rules!20

RF: USe conda activate, not source activate

See merge request fsl/conda/manifest-rules!19

BF: is an f-string

See merge request fsl/conda/manifest-rules!18

BF: Was re-generating environment file with dependencies as "- <pkg>=<ver>" instead of "- <pkg> <ver>"

See merge request fsl/conda/manifest-rules!17

instead of "- <pkg> <ver>"