update python build standalone references to new GitHub org #24930

Job	Run time
Classify changes	4s
Bootstrap Pants, test Rust (Linux-ARM64)	1m 29s
Bootstrap Pants, test Rust (macOS13-x86_64)	3m 27s
Bootstrap Pants, test and lint Rust (Linux-x86_64)	1m 59s
Build wheels (Linux-ARM64)	0s
Ensure PR has release notes	6s
Build wheels (Linux-x86_64)	0s
Build wheels (macOS13-x86_64)	0s
Build wheels (macOS14-ARM64)	0s
Test Python (Linux-ARM64)	9m 46s
Test Python (Linux-x86_64) Shard 1/10	16m 57s
Test Python (Linux-x86_64) Shard 2/10	17m 24s
Lint Python and Shell	4m 3s
Test Python (Linux-x86_64) Shard 0/10	17m 25s
Test Python (Linux-x86_64) Shard 3/10	16m 41s
Test Python (Linux-x86_64) Shard 4/10	28m 25s
Test Python (Linux-x86_64) Shard 5/10	13m 21s
Test Python (Linux-x86_64) Shard 6/10	10m 28s
Test Python (Linux-x86_64) Shard 7/10	16m 47s
Test Python (Linux-x86_64) Shard 8/10	15m 47s
Test Python (Linux-x86_64) Shard 9/10	10m 13s
Test Python (macOS13-x86_64)	28m 24s
Set Merge OK	1s
Merge OK	1s
	3h 32m 48s

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