* gnu/packages/serialization.scm (cereal): Update to 1.3.2.
[arguments]: Use G-expression.
(cereal-1.3.0): New variable.
* gnu/packages/bioinformatics.scm (salmon)[inputs]: Change from CEREAL to
CEREAL-1.3.0.
* gnu/packages/engineering.scm (prusa-slicer)[inputs]: Likewise.