[DRAFT] Recurse partitioner through submodules

[dvorjackz]

Summary

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Test plan

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[pytorch-bot]

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❌ 1 New Failure

As of commit ed5b952 with merge base 3ef78ee ():

NEW FAILURE - The following job has failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for exir/backend/canonical_partitioners/config_partitioner.py:

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