Add a pass to fuse scalar mul with quant ops

[mcremon-meta]

Summary: As titled. When a mul op is followed by a quant op, and the mul op uses a scalar known at compile time, it can be folded into the scale of the quant op.

Reviewed By: zonglinpeng

Differential Revision: D72617001

[pytorch-bot]

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❌ 1 New Failure

As of commit e736798 with merge base e500d87 ():

NEW FAILURE - The following job has failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for backends/cadence/aot/tests/test_simplify_ops_passes.py:

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This pull request was exported from Phabricator. Differential Revision: D72617001

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[github-actions]

Looks like this PR hasn't been updated in a while so we're going to go ahead and mark this as Stale.
Feel free to remove the Stale label if you feel this was a mistake.
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