Bump third_party/perfetto/repo from `b9aca8f` to `20ed12d` #2125

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1 error and 5 warnings

Process completed with exit code 1.

`pre` execution is not supported for local action from './.github/actions/bootstrap-cache'

`pre` execution is not supported for local action from './.github/actions/checkout-submodules'

No files were found with the provided path: /tmp/cirque_test_output/. No artifacts will be uploaded.

`pre` execution is not supported for local action from './.github/actions/checkout-submodules'

`pre` execution is not supported for local action from './.github/actions/bootstrap-cache'