[mlir][bufferization] Add TensorCopyInsertion pass

This pass runs the One-Shot Analysis to find out which tensor OpOperands must bufferize out-of-place. It then rewrites those tensor OpOperands to explicit allocations with a copy in the form of `bufferization.alloc_tensor`. The resulting IR can then be bufferized without having to care about read-after-write conflicts.

This change makes it possible to connect One-Shot Analysis to other bufferizations such as the sparse compiler.

Differential Revision: https://reviews.llvm.org/D126573