fix: Apply required overrides from allOf schemas #3207

Job	Run time
Integration Tests (pdm.minimal.lock)	26s
Integration Tests (pdm.lock)	27s
test_min_deps (ubuntu-latest)	41s
test_min_deps (macos-latest)	50s
test_min_deps (windows-latest)	1m 8s
test (3.10, windows-latest)	1m 46s
test (3.13, macos-latest)	42s
test (3.14, ubuntu-latest)	1m 2s
test (3.12, ubuntu-latest)	1m 10s
test (3.13, windows-latest)	1m 47s
test (3.11, windows-latest)	1m 32s
test (3.14, windows-latest)	1m 33s
test (3.10, macos-latest)	1m 13s
test (3.14, macos-latest)	1m 33s
test (3.10, ubuntu-latest)	1m 8s
test (3.12, macos-latest)	44s
test (3.11, ubuntu-latest)	1m 0s
test (3.11, macos-latest)	49s
test (3.12, windows-latest)	2m 10s
test (3.13, ubuntu-latest)	1m 4s
Combine & check coverage	12s
	22m 57s

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