gh-40263: Add an infinite weyl algebra class
    
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This PR adds a class ``InfiniteDifferentialWeylAlgebra``, the infinite
analog of the currently existing ``DifferentialWeylAlgebra`` class.  It
is an algebra generated by two countable families of symbols x_i, dx_i
subject to the relations [x_i, x_j] = [dx_i, dx_j] = 0 and [x_i, dx_j] =
\delta_{i, j}

Part of #40241

cc: @tscrim

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### ⌛ Dependencies

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URL: #40263
Reported by: Joe McDonough
Reviewer(s): Joe McDonough, Travis Scrimshaw

Author: Release Manager