Release 0.28.1 #3214

Job	Run time
Integration Tests (pdm.minimal.lock)	23s
test_min_deps (macos-latest)	1m 10s
Integration Tests (pdm.lock)	33s
test_min_deps (windows-latest)	1m 13s
test_min_deps (ubuntu-latest)	37s
test (3.11, ubuntu-latest)	58s
test (3.10, macos-latest)	1m 6s
test (3.13, macos-latest)	59s
test (3.12, macos-latest)	39s
test (3.11, windows-latest)	1m 31s
test (3.10, windows-latest)	2m 10s
test (3.10, ubuntu-latest)	1m 7s
test (3.14, macos-latest)	1m 0s
test (3.13, windows-latest)	1m 46s
test (3.14, ubuntu-latest)	56s
test (3.13, ubuntu-latest)	1m 14s
test (3.12, ubuntu-latest)	1m 15s
test (3.11, macos-latest)	1m 5s
test (3.12, windows-latest)	2m 15s
test (3.14, windows-latest)	1m 40s
Combine & check coverage	14s
	23m 51s

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