Update to FLIP v1.6 #2

Job	Run time
Build source distribution	8s
cp38 wheel for ubuntu-latest	11m 47s
cp39 wheel for ubuntu-latest	12m 2s
cp310 wheel for ubuntu-latest	11m 55s
cp311 wheel for ubuntu-latest	11m 45s
cp312 wheel for ubuntu-latest	11m 51s
cp312_stable wheel for ubuntu-latest (stable ABI)	11m 46s
cp313 wheel for ubuntu-latest	12m 3s
cp38 wheel for windows-latest	9m 51s
cp39 wheel for windows-latest	9m 59s
cp310 wheel for windows-latest	9m 5s
cp311 wheel for windows-latest	8m 50s
cp312 wheel for windows-latest	10m 4s
cp312_stable wheel for windows-latest (stable ABI)	8m 20s
cp313 wheel for windows-latest	9m 56s
cp38 wheel for macos-13	4m 51s
cp39 wheel for macos-13	4m 2s
cp310 wheel for macos-13	5m 13s
cp311 wheel for macos-13	5m 50s
cp312 wheel for macos-13	3m 56s
cp312_stable wheel for macos-13 (stable ABI)	5m 52s
cp313 wheel for macos-13	5m 55s
cp39 wheel for macos-14	2m 20s
cp310 wheel for macos-14	1m 57s
cp311 wheel for macos-14	2m 21s
cp312 wheel for macos-14	1m 55s
cp312_stable wheel for macos-14 (stable ABI)	2m 0s
cp313 wheel for macos-14	1m 58s
	3h 17m 32s

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