Add dependency for RemoveCatFromSliceCopyPass.

[eigen-k]

Summary:
This diff moves RemoveCatFromSliceCopyPass after MovePermuteAfterConcat because the latter pass may introduce the new cat-slice pairs.

With this diff in, the unwanted cat ops described in task, get optimized:
{F1982857385}

Reviewed By: hsharma35

Differential Revision: D85087930

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15312

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❌ 7 New Failures, 2 Unrelated Failures

As of commit 2627a62 with merge base 7f68c4f ():

NEW FAILURES - The following jobs have failed:

• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 039925bd7cbe472859c68e35f82526de062b4b32590c3cea9b33942891aa1ce4 /exec failed with exit code 1
• pull / unittest-nxp-neutron / linux-job (gh)
  RuntimeError: Command docker exec -t cc30db760b2496a91c17617ab3c16b7e231695c40a23bab53d5d0432d6e72961 /exec failed with exit code 1
• Test CUDA Builds / export-gemma3-cuda-non-quantized / linux-job (gh)
  RuntimeError: Command docker exec -t 63dfa317cd86afa156d32f37256cf7ae7949d1c90f96b6605acf95af009108f0 /exec failed with exit code 2
• Test CUDA Builds / export-voxtral-cuda-non-quantized / linux-job (gh)
  RuntimeError: Command docker exec -t 508efb7c4c1e37bf954a6f1b510f335275189a2e8d84dda5976052dde7a1f40d /exec failed with exit code 2
• Test CUDA Builds / export-voxtral-cuda-quantized-int4-tile-packed / linux-job (gh)
  RuntimeError: Command docker exec -t 4ef329ea7041d07374d63dc6e0c1c2518cd3e4ee4990b3f80807e8e6782c1d3d /exec failed with exit code 2
• Test CUDA Builds / export-voxtral-cuda-quantized-int4-weight-only / linux-job (gh)
  RuntimeError: Command docker exec -t 71e7c61895f892178f59dcca2e0d5390aced19dc5c7966dcf67be98cf4ca7f36 /exec failed with exit code 2
• Test Metal Backend / export-voxtral-metal-artifact / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 2

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / unittest / linux / linux-job (gh) (trunk failure)
• pull / unittest-editable / linux / linux-job (gh) (trunk failure)

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[meta-codesync]

@eigen-k has exported this pull request. If you are a Meta employee, you can view the originating Diff in D85087930.