Add `FiniteElement` python wrapper #32775

Job	Run time
Lint	15s
fenicsx-refs / Set FEniCSx component git refs	1s
Build and test	20m 42s
Build and test (linux-gnu-real32-32, ghcr.io/fenics/test-env:current-openmpi)	10m 32s
Build and publish docs	5m 33s
Build and test (linux-gnu-real64-32, ghcr.io/fenics/test-env:current-openmpi)	11m 6s
Build and test (linux-gnu-complex64-32, ghcr.io/fenics/test-env:current-openmpi)	13m 54s
Build and test (linux-gnu-complex128-32, ghcr.io/fenics/test-env:current-openmpi)	14m 12s
Build and test (linux-gnu-real64-64, ghcr.io/fenics/test-env:current-openmpi)	10m 57s
Build and test (linux-gnu-complex128-64, ghcr.io/fenics/test-env:current-openmpi)	14m 14s
Build and test (linux-gnu-real64-32, ghcr.io/fenics/test-env:current-mpich)	11m 18s
Build and test (linux-gnu-complex128-32, ghcr.io/fenics/test-env:current-mpich)	14m 24s
	2h 7m 8s

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