[misc] SparseCG now respecting verbose value

[3n3l]

Before this we always passed True to make_float_cg_solver(...)
instead of the verbose value.

Issue: #8707

Brief Summary

SparseCG was always printing information about convergence without a way to
turn off, this now respects the value of verbose that is passed in via ti.init(...), as it should be.

Walkthrough

We now pass the value of verbose to make_float_cg_solver(...)

Closes #8707

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Note

Ensures CG solver logging adheres to ti.init(verbose=...).

• SparseCG.__init__ now uses get_runtime().prog.config().verbose when creating _ti_core.make_cucg_solver, _ti_core.make_float_cg_solver, and _ti_core.make_double_cg_solver instead of always passing True.

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