Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2022-11-11 10:11 c6c8f200

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feat(topology/algebra/module/finite_dimension): add linear_map.is_open_map_of_finite_dimensional (#17466) Also use it to prove is_open_map_barycentric_coord without assuming [finite_dimensional 𝕜 E].

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