Release 0.28.4 #3274

Job	Run time
Integration Tests (pdm.minimal.lock)	25s
Integration Tests (pdm.lock)	28s
test_min_deps (ubuntu-latest)	42s
test_min_deps (macos-latest)	43s
test_min_deps (windows-latest)	1m 12s
test (3.10, windows-latest)	1m 22s
test (3.11, windows-latest)	1m 29s
test (3.12, ubuntu-latest)	1m 17s
test (3.12, macos-latest)	1m 5s
test (3.11, ubuntu-latest)	51s
test (3.12, windows-latest)	1m 30s
test (3.10, macos-latest)	1m 25s
test (3.13, macos-latest)	44s
test (3.10, ubuntu-latest)	1m 7s
test (3.11, macos-latest)	58s
test (3.14, macos-latest)	47s
test (3.13, ubuntu-latest)	1m 11s
test (3.14, ubuntu-latest)	1m 5s
test (3.14, windows-latest)	1m 31s
test (3.13, windows-latest)	1m 34s
Combine & check coverage	15s
	21m 41s

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