Arm backend: Add partial support for grouped tranposed convs

[mansnils]

Grouped transposed convs with per-channel quantization and/or dilation are not yet supported.

cc @digantdesai @SS-JIA @freddan80 @per @zingo @oscarandersson8218 @Sebastian-Larsson @robell

[pytorch-bot]

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❌ 1 Awaiting Approval, 2 New Failures

As of commit 72d08f0 with merge base f78535d ():

AWAITING APPROVAL - The following workflow needs approval before CI can run:

• periodic (gh)

NEW FAILURES - The following jobs have failed:

• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 708c0b3b77fa0f3b8309ce0a1ab63002765e154c2135a41af55943723d58346a /exec failed with exit code 1
• pull / test-samsung-quantmodels-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 5f3df189576425d04db83ce7adbc67e1adccd81024b6780ff9d03280a16616f2 /exec failed with exit code 1

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