Add discrete curl matrix operator #33374

Job	Run time
Lint	17s
fenicsx-refs / Set FEniCSx component git refs	1s
Build and publish docs	5m 32s
Build and test	23m 42s
Build and test (linux-gnu-real32-32, ghcr.io/fenics/test-env:current-openmpi)	10m 30s
Build and test (linux-gnu-real64-32, ghcr.io/fenics/test-env:current-openmpi)	10m 44s
Build and test (linux-gnu-complex64-32, ghcr.io/fenics/test-env:current-openmpi)	13m 32s
Build and test (linux-gnu-complex128-32, ghcr.io/fenics/test-env:current-openmpi)	13m 53s
Build and test (linux-gnu-real64-64, ghcr.io/fenics/test-env:current-openmpi)	10m 54s
Build and test (linux-gnu-complex128-64, ghcr.io/fenics/test-env:current-openmpi)	14m 16s
Build and test (linux-gnu-real64-32, ghcr.io/fenics/test-env:current-mpich)	10m 56s
Build and test (linux-gnu-complex128-32, ghcr.io/fenics/test-env:current-mpich)	13m 58s
	2h 8m 15s

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