Raise DivisionByZeroError when calls to microdf result in division by zero

[anth-volk]

This is linked to PolicyEngine/policyengine-uk#928. In situations where a sim or microsim attempts to use microdf's MicroSeries class, rank method with an array of weights that equal 0, core should raise an error. This is because the rank method will attempt to divide by the sum of all values within the weights array, be unable to divide, and return an array of nan values.

[MaxGhenis]

Should this be in microdf? Since this involves the additional weighting functionality, not just core pandas replication.

[anth-volk]

Definitely

[anth-volk]

Closing in light of PolicyEngine/microdf#233