Release 0.28.4 #3279

Job	Run time
Integration Tests (pdm.minimal.lock)	20s
test_min_deps (ubuntu-latest)	38s
Integration Tests (pdm.lock)	32s
test_min_deps (windows-latest)	1m 7s
test_min_deps (macos-latest)	59s
test (3.11, macos-latest)	39s
test (3.11, windows-latest)	1m 42s
test (3.10, windows-latest)	1m 58s
test (3.13, windows-latest)	1m 49s
test (3.14, macos-latest)	43s
test (3.13, ubuntu-latest)	1m 7s
test (3.12, ubuntu-latest)	1m 10s
test (3.14, ubuntu-latest)	1m 3s
test (3.11, ubuntu-latest)	56s
test (3.10, macos-latest)	1m 9s
test (3.12, macos-latest)	47s
test (3.10, ubuntu-latest)	1m 10s
test (3.12, windows-latest)	2m 45s
test (3.14, windows-latest)	1m 44s
test (3.13, macos-latest)	48s
Combine & check coverage	10s
	23m 16s

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