maint(ci): upload nightly wheels per SPEC 4 #995

Job	Run time
Test coverage setuptools build	4m 45s
Build sdist	3m 0s
Build wheels for ubuntu-20.04	14m 1s
Build wheels for windows-2019	29m 19s
Test docs (build and doctest)	4m 42s
Test flint main	4m 45s
Build wheels for macos-13	21m 48s
Test flint v3.0.0	5m 18s
Build wheels for macos-14	8m 40s
Free-threaded 3.13-dev on ubuntu-24.04	4m 36s
Test flint v3.0.1	5m 32s
Test flint v3.1.0	5m 10s
Test flint v3.1.1	4m 32s
Test old Cython/meson-python	2m 4s
Build on ubuntu-24.04	2m 3s
Test flint v3.1.2	4m 37s
Test SymPy 1.13.1	18m 16s
Test 3.10 wheel on ubuntu-20.04	8s
Upload Anaconda Scientific Python nightly wheels	0s
Publish to PyPI	0s
Test 3.11 wheel on ubuntu-20.04	11s
Test 3.12 wheel on ubuntu-20.04	9s
Test 3.13-dev wheel on ubuntu-20.04	15s
Test pypy3.10 wheel on ubuntu-20.04	16s
Test 3.10 wheel on windows-2019	23s
Test 3.11 wheel on windows-2019	26s
Test 3.12 wheel on windows-2019	26s
Test 3.13-dev wheel on windows-2019	1m 14s
Test pypy3.10 wheel on windows-2019	1m 15s
Test 3.10 wheel on macos-13	14s
Test 3.11 wheel on macos-13	11s
Test 3.12 wheel on macos-13	15s
Test 3.13-dev wheel on macos-13	1m 8s
Test pypy3.10 wheel on macos-13	23s
Test 3.10 wheel on macos-14	9s
Test 3.11 wheel on macos-14	10s
Test 3.12 wheel on macos-14	9s
Test 3.13-dev wheel on macos-14	9s
Test pypy3.10 wheel on macos-14	22s
Publish GitHub release	0s
	2h 31m 1s

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