tests

Store license-files in licenses subfolder #6083

Job	Run time
test_cygwin (39, windows-latest)	12s
collateral (diffcov)	25s
test (3.9, ubuntu-latest)	25s
collateral (docs)	25s
test (3.9, macos-latest)	13s
test (3.9, windows-latest)	9s
test (3.13, ubuntu-latest)	25s
test (3.13, macos-latest)	17s
test (3.13, windows-latest)	10s
test (3.10, ubuntu-latest)	26s
test (3.11, ubuntu-latest)	27s
test (3.12, ubuntu-latest)	13s
test (3.14, ubuntu-latest)	19s
test (pypy3.10, ubuntu-latest, stdlib)	16s
test (ubuntu-latest, 3.10, stdlib)	26s
integration-test	1s
check	2s
release	1s
	4m 52s

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