Replace parameter `aval` with `aval_var` (#131) #187

Job	Run time
Publish 🗞 (RNA-seq, stable)	9m 2s
Publish 🗞 (RNA-seq, dev)	9m 2s
Publish 🗞 (basic-teal, stable)	9m 4s
Publish 🗞 (basic-teal, dev)	8m 20s
Publish 🗞 (efficacy, stable)	9m 8s
Publish 🗞 (efficacy, dev)	9m 3s
Publish 🗞 (exploratory, stable)	9m 5s
Publish 🗞 (exploratory, dev)	9m 1s
Publish 🗞 (longitudinal, stable)	9m 3s
Publish 🗞 (longitudinal, dev)	9m 3s
Publish 🗞 (early-dev, stable)	9m 3s
Publish 🗞 (early-dev, dev)	9m 5s
Publish 🗞 (patient-profile, stable)	9m 4s
Publish 🗞 (patient-profile, dev)	9m 4s
Publish 🗞 (python, stable)	9m 3s
Publish 🗞 (python, dev)	9m 6s
Publish 🗞 (safety, stable)	9m 2s
Publish 🗞 (safety, dev)	9m 4s
	2h 42m 22s

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