Apparently, the wedge product is not performed on multiple cores when parallel computation is enabled. According to the compontent-wise computation of general tensors, I add this feature for the wedge product for alternate forms, too.

CC: @egourgoulhon @tscrim @mkoeppe

Component: geometry

Keywords: differential_forms, parallel

Author: Michael Jung

Branch/Commit: u/gh-mjungmath/wedge_product_parallel @ 6303e7c

Issue created by migration from https://trac.sagemath.org/ticket/29796