allow codegened sources for pex_binary.complete_platforms #25662

Job	Run time
Classify changes	3s
Bootstrap Pants, test Rust (macOS13-x86_64)	3m 30s
Bootstrap Pants, test Rust (Linux-ARM64)	1m 52s
Bootstrap Pants, test and lint Rust (Linux-x86_64)	2m 30s
Build wheels (Linux-ARM64)	0s
Build wheels (Linux-x86_64)	0s
Build wheels (macOS13-x86_64)	0s
Build wheels (macOS14-ARM64)	0s
Ensure PR has release notes	2s
Test Python (Linux-ARM64)	9m 25s
Test Python (Linux-x86_64) Shard 2/10	14m 13s
Test Python (Linux-x86_64) Shard 0/10	16m 8s
Test Python (Linux-x86_64) Shard 3/10	13m 45s
Test Python (Linux-x86_64) Shard 1/10	14m 46s
Test Python (Linux-x86_64) Shard 5/10	9m 39s
Test Python (Linux-x86_64) Shard 4/10	24m 42s
Lint Python and Shell	3m 48s
Test Python (Linux-x86_64) Shard 6/10	6m 38s
Test Python (Linux-x86_64) Shard 7/10	16m 25s
Test Python (Linux-x86_64) Shard 8/10	12m 27s
Test Python (Linux-x86_64) Shard 9/10	10m 15s
Test Python (macOS13-x86_64)	24m 55s
Set Merge OK	1s
Merge OK	1s
	3h 5m 5s

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