Fix license classifier (#982) #1068

Job	Run time
linters (3.9, ubuntu-latest)	29s
linters (3.9, ubuntu-latest)	29s
Testing on Python 3.9 (ubuntu-latest)	36s
Testing on Python 3.9 (ubuntu-latest)	38s
Testing on Python 3.9 (macos-13)	33s
Testing on Python 3.9 (macos-13)	30s
Testing on Python 3.9 (windows-2019)	35s
Testing on Python 3.9 (windows-2019)	24s
Testing on Python 3.10 (ubuntu-latest)	31s
Testing on Python 3.10 (ubuntu-latest)	28s
Testing on Python 3.10 (macos-13)	38s
Testing on Python 3.10 (macos-13)	36s
Testing on Python 3.10 (windows-2019)	36s
Testing on Python 3.10 (windows-2019)	33s
Testing on Python 3.11 (ubuntu-latest)	36s
Testing on Python 3.11 (ubuntu-latest)	29s
Testing on Python 3.11 (macos-13)	35s
Testing on Python 3.11 (macos-13)	30s
Testing on Python 3.11 (windows-2019)	36s
Testing on Python 3.11 (windows-2019)	32s
Testing on Python 3.12 (ubuntu-latest)	35s
Testing on Python 3.12 (ubuntu-latest)	37s
Testing on Python 3.12 (macos-13)	45s
Testing on Python 3.12 (macos-13)	39s
Testing on Python 3.12 (windows-2019)	37s
Testing on Python 3.12 (windows-2019)	31s
Testing on Python 3.13 (ubuntu-latest)	34s
Testing on Python 3.13 (ubuntu-latest)	30s
Testing on Python 3.13 (macos-13)	39s
Testing on Python 3.13 (macos-13)	38s
Testing on Python 3.13 (windows-2019)	29s
Testing on Python 3.13 (windows-2019)	24s
	17m 52s

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