bring cuda export ci back by using A100 as target GPU (#19440)

[Gasoonjia]

Summary:

Currently ci keeps crash by the error msg Not enough SMs to use max_autotune_gemm mode due to gpu resource limitation. Make ci always run on A100 to bring ci back

Differential Revision: D104504782

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/19440

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❌ 1 New Failure, 121 Pending

As of commit 0be438e with merge base 98da9d5 ():

NEW FAILURE - The following job has failed:

• Build Presets / apple (ios) / build (gh)
  The process '/opt/homebrew/bin/git' failed with exit code 128

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[meta-codesync]

@Gasoonjia has exported this pull request. If you are a Meta employee, you can view the originating Diff in D104504782.

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